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Finding the Fourth Proportional to 331,488.77, 457,454.52 and 180,585.77

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Solution

The fourth proportional to 331,488.77, 457,454.52 and 180,585.77 is: 249,208.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,488.77 : 457,454.52 = 180,585.77 : x
  2. Step 2: Convert to fraction form
    331,488.77/457,454.52 = 180,585.77/x
  3. Step 3: Cross multiply
    331,488.77x = 457,454.52 × 180,585.77
  4. Step 4: Simplify right side
    331,488.77x = 82,609,774,446.91
  5. Step 5: Solve for x
    x = 82,609,774,446.91/331,488.77
  6. Step 6: Final answer
    x = 249,208.37

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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.