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Finding the Fourth Proportional to 497,411.30, 745,934.70 and 160,540.40

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Solution

The fourth proportional to 497,411.30, 745,934.70 and 160,540.40 is: 240,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,411.30 : 745,934.70 = 160,540.40 : x
  2. Step 2: Convert to fraction form
    497,411.30/745,934.70 = 160,540.40/x
  3. Step 3: Cross multiply
    497,411.30x = 745,934.70 × 160,540.40
  4. Step 4: Simplify right side
    497,411.30x = 119,752,655,111.88
  5. Step 5: Solve for x
    x = 119,752,655,111.88/497,411.30
  6. Step 6: Final answer
    x = 240,751.78

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1.5x scale

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.