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Finding the Fourth Proportional to 331,404.57, 457,338.15 and 180,501.57

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Solution

The fourth proportional to 331,404.57, 457,338.15 and 180,501.57 is: 249,092.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,404.57 : 457,338.15 = 180,501.57 : x
  2. Step 2: Convert to fraction form
    331,404.57/457,338.15 = 180,501.57/x
  3. Step 3: Cross multiply
    331,404.57x = 457,338.15 × 180,501.57
  4. Step 4: Simplify right side
    331,404.57x = 82,550,254,095.90
  5. Step 5: Solve for x
    x = 82,550,254,095.90/331,404.57
  6. Step 6: Final answer
    x = 249,092.08

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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.