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Finding the Fourth Proportional to 610,545.88, 842,603.76 and 338,701.48

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Solution

The fourth proportional to 610,545.88, 842,603.76 and 338,701.48 is: 467,436.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,545.88 : 842,603.76 = 338,701.48 : x
  2. Step 2: Convert to fraction form
    610,545.88/842,603.76 = 338,701.48/x
  3. Step 3: Cross multiply
    610,545.88x = 842,603.76 × 338,701.48
  4. Step 4: Simplify right side
    610,545.88x = 285,391,140,565.57
  5. Step 5: Solve for x
    x = 285,391,140,565.57/610,545.88
  6. Step 6: Final answer
    x = 467,436.03

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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.