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Finding the Fourth Proportional to 536,865.53, 803,545.95 and 394,673.16

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Solution

The fourth proportional to 536,865.53, 803,545.95 and 394,673.16 is: 590,721.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,865.53 : 803,545.95 = 394,673.16 : x
  2. Step 2: Convert to fraction form
    536,865.53/803,545.95 = 394,673.16/x
  3. Step 3: Cross multiply
    536,865.53x = 803,545.95 × 394,673.16
  4. Step 4: Simplify right side
    536,865.53x = 317,138,019,291.70
  5. Step 5: Solve for x
    x = 317,138,019,291.70/536,865.53
  6. Step 6: Final answer
    x = 590,721.52

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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.