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Finding the Fourth Proportional to 272,461.60, 408,935.40 and 160,001.20

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Solution

The fourth proportional to 272,461.60, 408,935.40 and 160,001.20 is: 240,144.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,461.60 : 408,935.40 = 160,001.20 : x
  2. Step 2: Convert to fraction form
    272,461.60/408,935.40 = 160,001.20/x
  3. Step 3: Cross multiply
    272,461.60x = 408,935.40 × 160,001.20
  4. Step 4: Simplify right side
    272,461.60x = 65,430,154,722.48
  5. Step 5: Solve for x
    x = 65,430,154,722.48/272,461.60
  6. Step 6: Final answer
    x = 240,144.50

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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.