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Finding the Fourth Proportional to 625,799.07, 938,788.11 and 193,549.86

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Solution

The fourth proportional to 625,799.07, 938,788.11 and 193,549.86 is: 290,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,799.07 : 938,788.11 = 193,549.86 : x
  2. Step 2: Convert to fraction form
    625,799.07/938,788.11 = 193,549.86/x
  3. Step 3: Cross multiply
    625,799.07x = 938,788.11 × 193,549.86
  4. Step 4: Simplify right side
    625,799.07x = 181,702,307,260.17
  5. Step 5: Solve for x
    x = 181,702,307,260.17/625,799.07
  6. Step 6: Final answer
    x = 290,352.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.