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Finding the Fourth Proportional to 333,041.60, 499,562.40 and 108,423.20

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Solution

The fourth proportional to 333,041.60, 499,562.40 and 108,423.20 is: 162,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,041.60 : 499,562.40 = 108,423.20 : x
  2. Step 2: Convert to fraction form
    333,041.60/499,562.40 = 108,423.20/x
  3. Step 3: Cross multiply
    333,041.60x = 499,562.40 × 108,423.20
  4. Step 4: Simplify right side
    333,041.60x = 54,164,154,007.68
  5. Step 5: Solve for x
    x = 54,164,154,007.68/333,041.60
  6. Step 6: Final answer
    x = 162,634.80

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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.