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Finding the Fourth Proportional to 356,001.60, 534,520.80 and 216,033.60

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Solution

The fourth proportional to 356,001.60, 534,520.80 and 216,033.60 is: 324,364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,001.60 : 534,520.80 = 216,033.60 : x
  2. Step 2: Convert to fraction form
    356,001.60/534,520.80 = 216,033.60/x
  3. Step 3: Cross multiply
    356,001.60x = 534,520.80 × 216,033.60
  4. Step 4: Simplify right side
    356,001.60x = 115,474,452,698.88
  5. Step 5: Solve for x
    x = 115,474,452,698.88/356,001.60
  6. Step 6: Final answer
    x = 324,364.98

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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.