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Finding the Fourth Proportional to 460,587.73, 691,088.96 and 249,909.97

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Solution

The fourth proportional to 460,587.73, 691,088.96 and 249,909.97 is: 374,977.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,587.73 : 691,088.96 = 249,909.97 : x
  2. Step 2: Convert to fraction form
    460,587.73/691,088.96 = 249,909.97/x
  3. Step 3: Cross multiply
    460,587.73x = 691,088.96 × 249,909.97
  4. Step 4: Simplify right side
    460,587.73x = 172,710,021,260.93
  5. Step 5: Solve for x
    x = 172,710,021,260.93/460,587.73
  6. Step 6: Final answer
    x = 374,977.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.