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Finding the Fourth Proportional to 365,116.70, 547,726.89 and 112,418.20

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Solution

The fourth proportional to 365,116.70, 547,726.89 and 112,418.20 is: 168,643.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,116.70 : 547,726.89 = 112,418.20 : x
  2. Step 2: Convert to fraction form
    365,116.70/547,726.89 = 112,418.20/x
  3. Step 3: Cross multiply
    365,116.70x = 547,726.89 × 112,418.20
  4. Step 4: Simplify right side
    365,116.70x = 61,574,468,458.31
  5. Step 5: Solve for x
    x = 61,574,468,458.31/365,116.70
  6. Step 6: Final answer
    x = 168,643.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.