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Finding the Fourth Proportional to 497,595.90, 746,393.85 and 123,618.90

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Solution

The fourth proportional to 497,595.90, 746,393.85 and 123,618.90 is: 185,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,595.90 : 746,393.85 = 123,618.90 : x
  2. Step 2: Convert to fraction form
    497,595.90/746,393.85 = 123,618.90/x
  3. Step 3: Cross multiply
    497,595.90x = 746,393.85 × 123,618.90
  4. Step 4: Simplify right side
    497,595.90x = 92,268,386,703.77
  5. Step 5: Solve for x
    x = 92,268,386,703.77/497,595.90
  6. Step 6: Final answer
    x = 185,428.35

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Similar ratio
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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.