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Finding the Fourth Proportional to 536,411.82, 740,248.80 and 294,694.86

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Solution

The fourth proportional to 536,411.82, 740,248.80 and 294,694.86 is: 406,679.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,411.82 : 740,248.80 = 294,694.86 : x
  2. Step 2: Convert to fraction form
    536,411.82/740,248.80 = 294,694.86/x
  3. Step 3: Cross multiply
    536,411.82x = 740,248.80 × 294,694.86
  4. Step 4: Simplify right side
    536,411.82x = 218,147,516,481.17
  5. Step 5: Solve for x
    x = 218,147,516,481.17/536,411.82
  6. Step 6: Final answer
    x = 406,679.18

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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.