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Finding the Fourth Proportional to 572,363.52, 858,545.26 and 198,386.52

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Solution

The fourth proportional to 572,363.52, 858,545.26 and 198,386.52 is: 297,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,363.52 : 858,545.26 = 198,386.52 : x
  2. Step 2: Convert to fraction form
    572,363.52/858,545.26 = 198,386.52/x
  3. Step 3: Cross multiply
    572,363.52x = 858,545.26 × 198,386.52
  4. Step 4: Simplify right side
    572,363.52x = 170,323,806,393.90
  5. Step 5: Solve for x
    x = 170,323,806,393.90/572,363.52
  6. Step 6: Final answer
    x = 297,579.77

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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.