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Finding the Fourth Proportional to 906,342, 1,250,751.96 and 503,934

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Solution

The fourth proportional to 906,342, 1,250,751.96 and 503,934 is: 695,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,342 : 1,250,751.96 = 503,934 : x
  2. Step 2: Convert to fraction form
    906,342/1,250,751.96 = 503,934/x
  3. Step 3: Cross multiply
    906,342x = 1,250,751.96 × 503,934
  4. Step 4: Simplify right side
    906,342x = 630,296,438,210.64
  5. Step 5: Solve for x
    x = 630,296,438,210.64/906,342
  6. Step 6: Final answer
    x = 695,428.92

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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.