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Finding the Fourth Proportional to 329,603.91, 454,862.35 and 186,385.38

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Solution

The fourth proportional to 329,603.91, 454,862.35 and 186,385.38 is: 257,216.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,603.91 : 454,862.35 = 186,385.38 : x
  2. Step 2: Convert to fraction form
    329,603.91/454,862.35 = 186,385.38/x
  3. Step 3: Cross multiply
    329,603.91x = 454,862.35 × 186,385.38
  4. Step 4: Simplify right side
    329,603.91x = 84,779,691,952.44
  5. Step 5: Solve for x
    x = 84,779,691,952.44/329,603.91
  6. Step 6: Final answer
    x = 257,216.89

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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.