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Finding the Fourth Proportional to 352,001.60, 528,002.40 and 240,027.20

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Solution

The fourth proportional to 352,001.60, 528,002.40 and 240,027.20 is: 360,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,001.60 : 528,002.40 = 240,027.20 : x
  2. Step 2: Convert to fraction form
    352,001.60/528,002.40 = 240,027.20/x
  3. Step 3: Cross multiply
    352,001.60x = 528,002.40 × 240,027.20
  4. Step 4: Simplify right side
    352,001.60x = 126,734,937,665.28
  5. Step 5: Solve for x
    x = 126,734,937,665.28/352,001.60
  6. Step 6: Final answer
    x = 360,040.80

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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.