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Finding the Fourth Proportional to 500,474.60, 750,355.30 and 234,089.90

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Solution

The fourth proportional to 500,474.60, 750,355.30 and 234,089.90 is: 350,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,474.60 : 750,355.30 = 234,089.90 : x
  2. Step 2: Convert to fraction form
    500,474.60/750,355.30 = 234,089.90/x
  3. Step 3: Cross multiply
    500,474.60x = 750,355.30 × 234,089.90
  4. Step 4: Simplify right side
    500,474.60x = 175,650,597,141.47
  5. Step 5: Solve for x
    x = 175,650,597,141.47/500,474.60
  6. Step 6: Final answer
    x = 350,968.06

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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.