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Finding the Fourth Proportional to 573,072.30, 859,608.45 and 146,607.30

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Solution

The fourth proportional to 573,072.30, 859,608.45 and 146,607.30 is: 219,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,072.30 : 859,608.45 = 146,607.30 : x
  2. Step 2: Convert to fraction form
    573,072.30/859,608.45 = 146,607.30/x
  3. Step 3: Cross multiply
    573,072.30x = 859,608.45 × 146,607.30
  4. Step 4: Simplify right side
    573,072.30x = 126,024,873,911.69
  5. Step 5: Solve for x
    x = 126,024,873,911.69/573,072.30
  6. Step 6: Final answer
    x = 219,910.95

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Double scale
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Similar ratio
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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.