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Finding the Fourth Proportional to 582,122.70, 873,184.05 and 245,543.40

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Solution

The fourth proportional to 582,122.70, 873,184.05 and 245,543.40 is: 368,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,122.70 : 873,184.05 = 245,543.40 : x
  2. Step 2: Convert to fraction form
    582,122.70/873,184.05 = 245,543.40/x
  3. Step 3: Cross multiply
    582,122.70x = 873,184.05 × 245,543.40
  4. Step 4: Simplify right side
    582,122.70x = 214,404,580,462.77
  5. Step 5: Solve for x
    x = 214,404,580,462.77/582,122.70
  6. Step 6: Final answer
    x = 368,315.10

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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.