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Finding the Fourth Proportional to 607,545.46, 838,515.09 and 353,044.27

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Solution

The fourth proportional to 607,545.46, 838,515.09 and 353,044.27 is: 487,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,545.46 : 838,515.09 = 353,044.27 : x
  2. Step 2: Convert to fraction form
    607,545.46/838,515.09 = 353,044.27/x
  3. Step 3: Cross multiply
    607,545.46x = 838,515.09 × 353,044.27
  4. Step 4: Simplify right side
    607,545.46x = 296,032,948,219.22
  5. Step 5: Solve for x
    x = 296,032,948,219.22/607,545.46
  6. Step 6: Final answer
    x = 487,260.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.