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Finding the Fourth Proportional to 582,783.60, 874,175.40 and 346,004.40

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Solution

The fourth proportional to 582,783.60, 874,175.40 and 346,004.40 is: 519,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,783.60 : 874,175.40 = 346,004.40 : x
  2. Step 2: Convert to fraction form
    582,783.60/874,175.40 = 346,004.40/x
  3. Step 3: Cross multiply
    582,783.60x = 874,175.40 × 346,004.40
  4. Step 4: Simplify right side
    582,783.60x = 302,468,534,771.76
  5. Step 5: Solve for x
    x = 302,468,534,771.76/582,783.60
  6. Step 6: Final answer
    x = 519,006.60

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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.