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Finding the Fourth Proportional to 368,001.60, 552,002.40 and 341,429.55

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Solution

The fourth proportional to 368,001.60, 552,002.40 and 341,429.55 is: 512,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,001.60 : 552,002.40 = 341,429.55 : x
  2. Step 2: Convert to fraction form
    368,001.60/552,002.40 = 341,429.55/x
  3. Step 3: Cross multiply
    368,001.60x = 552,002.40 × 341,429.55
  4. Step 4: Simplify right side
    368,001.60x = 188,469,931,030.92
  5. Step 5: Solve for x
    x = 188,469,931,030.92/368,001.60
  6. Step 6: Final answer
    x = 512,144.33

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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.