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Finding the Fourth Proportional to 575,892.60, 862,802.10 and 492,948.60

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Solution

The fourth proportional to 575,892.60, 862,802.10 and 492,948.60 is: 738,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,892.60 : 862,802.10 = 492,948.60 : x
  2. Step 2: Convert to fraction form
    575,892.60/862,802.10 = 492,948.60/x
  3. Step 3: Cross multiply
    575,892.60x = 862,802.10 × 492,948.60
  4. Step 4: Simplify right side
    575,892.60x = 425,317,087,272.06
  5. Step 5: Solve for x
    x = 425,317,087,272.06/575,892.60
  6. Step 6: Final answer
    x = 738,535.43

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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.