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Finding the Fourth Proportional to 432,841.60, 648,955.20 and 166,499.20

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Solution

The fourth proportional to 432,841.60, 648,955.20 and 166,499.20 is: 249,630.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,841.60 : 648,955.20 = 166,499.20 : x
  2. Step 2: Convert to fraction form
    432,841.60/648,955.20 = 166,499.20/x
  3. Step 3: Cross multiply
    432,841.60x = 648,955.20 × 166,499.20
  4. Step 4: Simplify right side
    432,841.60x = 108,050,521,635.84
  5. Step 5: Solve for x
    x = 108,050,521,635.84/432,841.60
  6. Step 6: Final answer
    x = 249,630.63

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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.