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Finding the Fourth Proportional to 497,261.60, 745,892.40 and 371,290.40

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Solution

The fourth proportional to 497,261.60, 745,892.40 and 371,290.40 is: 556,935.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,261.60 : 745,892.40 = 371,290.40 : x
  2. Step 2: Convert to fraction form
    497,261.60/745,892.40 = 371,290.40/x
  3. Step 3: Cross multiply
    497,261.60x = 745,892.40 × 371,290.40
  4. Step 4: Simplify right side
    497,261.60x = 276,942,687,552.96
  5. Step 5: Solve for x
    x = 276,942,687,552.96/497,261.60
  6. Step 6: Final answer
    x = 556,935.60

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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.