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Finding the Fourth Proportional to 536,717.92, 740,676.48 and 291,702.70

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Solution

The fourth proportional to 536,717.92, 740,676.48 and 291,702.70 is: 402,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,717.92 : 740,676.48 = 291,702.70 : x
  2. Step 2: Convert to fraction form
    536,717.92/740,676.48 = 291,702.70/x
  3. Step 3: Cross multiply
    536,717.92x = 740,676.48 × 291,702.70
  4. Step 4: Simplify right side
    536,717.92x = 216,057,329,042.50
  5. Step 5: Solve for x
    x = 216,057,329,042.50/536,717.92
  6. Step 6: Final answer
    x = 402,552.85

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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.