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Finding the Fourth Proportional to 535,062.60, 738,366.78 and 293,339.87

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Solution

The fourth proportional to 535,062.60, 738,366.78 and 293,339.87 is: 404,798.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,062.60 : 738,366.78 = 293,339.87 : x
  2. Step 2: Convert to fraction form
    535,062.60/738,366.78 = 293,339.87/x
  3. Step 3: Cross multiply
    535,062.60x = 738,366.78 × 293,339.87
  4. Step 4: Simplify right side
    535,062.60x = 216,592,411,565.69
  5. Step 5: Solve for x
    x = 216,592,411,565.69/535,062.60
  6. Step 6: Final answer
    x = 404,798.26

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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.