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Finding the Fourth Proportional to 690,385.56, 952,241.31 and 460,827.11

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Solution

The fourth proportional to 690,385.56, 952,241.31 and 460,827.11 is: 635,613.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,385.56 : 952,241.31 = 460,827.11 : x
  2. Step 2: Convert to fraction form
    690,385.56/952,241.31 = 460,827.11/x
  3. Step 3: Cross multiply
    690,385.56x = 952,241.31 × 460,827.11
  4. Step 4: Simplify right side
    690,385.56x = 438,818,606,148.71
  5. Step 5: Solve for x
    x = 438,818,606,148.71/690,385.56
  6. Step 6: Final answer
    x = 635,613.82

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Double scale
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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.