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Finding the Fourth Proportional to 608,001.40, 910,689.90 and 503,025.40

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Solution

The fourth proportional to 608,001.40, 910,689.90 and 503,025.40 is: 753,452.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,001.40 : 910,689.90 = 503,025.40 : x
  2. Step 2: Convert to fraction form
    608,001.40/910,689.90 = 503,025.40/x
  3. Step 3: Cross multiply
    608,001.40x = 910,689.90 × 503,025.40
  4. Step 4: Simplify right side
    608,001.40x = 458,100,151,223.46
  5. Step 5: Solve for x
    x = 458,100,151,223.46/608,001.40
  6. Step 6: Final answer
    x = 753,452.46

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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.