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Finding the Fourth Proportional to 573,052.80, 859,579.20 and 146,587.80

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Solution

The fourth proportional to 573,052.80, 859,579.20 and 146,587.80 is: 219,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,052.80 : 859,579.20 = 146,587.80 : x
  2. Step 2: Convert to fraction form
    573,052.80/859,579.20 = 146,587.80/x
  3. Step 3: Cross multiply
    573,052.80x = 859,579.20 × 146,587.80
  4. Step 4: Simplify right side
    573,052.80x = 126,003,823,853.76
  5. Step 5: Solve for x
    x = 126,003,823,853.76/573,052.80
  6. Step 6: Final answer
    x = 219,881.70

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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.