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Finding the Fourth Proportional to 316,695.43, 437,046.77 and 180,726.67

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Solution

The fourth proportional to 316,695.43, 437,046.77 and 180,726.67 is: 249,406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,695.43 : 437,046.77 = 180,726.67 : x
  2. Step 2: Convert to fraction form
    316,695.43/437,046.77 = 180,726.67/x
  3. Step 3: Cross multiply
    316,695.43x = 437,046.77 × 180,726.67
  4. Step 4: Simplify right side
    316,695.43x = 78,986,006,472.72
  5. Step 5: Solve for x
    x = 78,986,006,472.72/316,695.43
  6. Step 6: Final answer
    x = 249,406.84

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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.