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Finding the Fourth Proportional to 614,458.80, 925,007.67 and 552,663.90

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Solution

The fourth proportional to 614,458.80, 925,007.67 and 552,663.90 is: 831,981.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,458.80 : 925,007.67 = 552,663.90 : x
  2. Step 2: Convert to fraction form
    614,458.80/925,007.67 = 552,663.90/x
  3. Step 3: Cross multiply
    614,458.80x = 925,007.67 × 552,663.90
  4. Step 4: Simplify right side
    614,458.80x = 511,218,346,432.11
  5. Step 5: Solve for x
    x = 511,218,346,432.11/614,458.80
  6. Step 6: Final answer
    x = 831,981.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.