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Finding the Fourth Proportional to 534,478.50, 737,545.10 and 292,763.97

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Solution

The fourth proportional to 534,478.50, 737,545.10 and 292,763.97 is: 403,994.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,478.50 : 737,545.10 = 292,763.97 : x
  2. Step 2: Convert to fraction form
    534,478.50/737,545.10 = 292,763.97/x
  3. Step 3: Cross multiply
    534,478.50x = 737,545.10 × 292,763.97
  4. Step 4: Simplify right side
    534,478.50x = 215,926,630,066.23
  5. Step 5: Solve for x
    x = 215,926,630,066.23/534,478.50
  6. Step 6: Final answer
    x = 403,994.98

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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.