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Finding the Fourth Proportional to 707,541.11, 976,398.24 and 385,251.12

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Solution

The fourth proportional to 707,541.11, 976,398.24 and 385,251.12 is: 531,641.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,541.11 : 976,398.24 = 385,251.12 : x
  2. Step 2: Convert to fraction form
    707,541.11/976,398.24 = 385,251.12/x
  3. Step 3: Cross multiply
    707,541.11x = 976,398.24 × 385,251.12
  4. Step 4: Simplify right side
    707,541.11x = 376,158,515,526.03
  5. Step 5: Solve for x
    x = 376,158,515,526.03/707,541.11
  6. Step 6: Final answer
    x = 531,641.93

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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.