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Finding the Fourth Proportional to 535,068.16, 738,374.46 and 293,345.43

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Solution

The fourth proportional to 535,068.16, 738,374.46 and 293,345.43 is: 404,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,068.16 : 738,374.46 = 293,345.43 : x
  2. Step 2: Convert to fraction form
    535,068.16/738,374.46 = 293,345.43/x
  3. Step 3: Cross multiply
    535,068.16x = 738,374.46 × 293,345.43
  4. Step 4: Simplify right side
    535,068.16x = 216,598,773,469.72
  5. Step 5: Solve for x
    x = 216,598,773,469.72/535,068.16
  6. Step 6: Final answer
    x = 404,805.95

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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.