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Finding the Fourth Proportional to 488,762.70, 732,189.60 and 232,230.20

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Solution

The fourth proportional to 488,762.70, 732,189.60 and 232,230.20 is: 347,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,762.70 : 732,189.60 = 232,230.20 : x
  2. Step 2: Convert to fraction form
    488,762.70/732,189.60 = 232,230.20/x
  3. Step 3: Cross multiply
    488,762.70x = 732,189.60 × 232,230.20
  4. Step 4: Simplify right side
    488,762.70x = 170,036,536,799.40
  5. Step 5: Solve for x
    x = 170,036,536,799.40/488,762.70
  6. Step 6: Final answer
    x = 347,891.80

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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.