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Finding the Fourth Proportional to 361,629.80, 542,444.70 and 98,973.80

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Solution

The fourth proportional to 361,629.80, 542,444.70 and 98,973.80 is: 148,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,629.80 : 542,444.70 = 98,973.80 : x
  2. Step 2: Convert to fraction form
    361,629.80/542,444.70 = 98,973.80/x
  3. Step 3: Cross multiply
    361,629.80x = 542,444.70 × 98,973.80
  4. Step 4: Simplify right side
    361,629.80x = 53,687,813,248.86
  5. Step 5: Solve for x
    x = 53,687,813,248.86/361,629.80
  6. Step 6: Final answer
    x = 148,460.70

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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.