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Finding the Fourth Proportional to 582,077.80, 873,116.70 and 493,504.30

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Solution

The fourth proportional to 582,077.80, 873,116.70 and 493,504.30 is: 740,256.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,077.80 : 873,116.70 = 493,504.30 : x
  2. Step 2: Convert to fraction form
    582,077.80/873,116.70 = 493,504.30/x
  3. Step 3: Cross multiply
    582,077.80x = 873,116.70 × 493,504.30
  4. Step 4: Simplify right side
    582,077.80x = 430,886,845,851.81
  5. Step 5: Solve for x
    x = 430,886,845,851.81/582,077.80
  6. Step 6: Final answer
    x = 740,256.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.