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Finding the Fourth Proportional to 506,950.60, 699,665.72 and 292,049.32

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Solution

The fourth proportional to 506,950.60, 699,665.72 and 292,049.32 is: 403,070.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,950.60 : 699,665.72 = 292,049.32 : x
  2. Step 2: Convert to fraction form
    506,950.60/699,665.72 = 292,049.32/x
  3. Step 3: Cross multiply
    506,950.60x = 699,665.72 × 292,049.32
  4. Step 4: Simplify right side
    506,950.60x = 204,336,897,753.31
  5. Step 5: Solve for x
    x = 204,336,897,753.31/506,950.60
  6. Step 6: Final answer
    x = 403,070.63

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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.