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Finding the Fourth Proportional to 497,023.20, 745,534.80 and 123,046.20

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Solution

The fourth proportional to 497,023.20, 745,534.80 and 123,046.20 is: 184,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,023.20 : 745,534.80 = 123,046.20 : x
  2. Step 2: Convert to fraction form
    497,023.20/745,534.80 = 123,046.20/x
  3. Step 3: Cross multiply
    497,023.20x = 745,534.80 × 123,046.20
  4. Step 4: Simplify right side
    497,023.20x = 91,735,224,107.76
  5. Step 5: Solve for x
    x = 91,735,224,107.76/497,023.20
  6. Step 6: Final answer
    x = 184,569.30

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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.