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Finding the Fourth Proportional to 573,043.80, 859,565.70 and 146,578.80

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Solution

The fourth proportional to 573,043.80, 859,565.70 and 146,578.80 is: 219,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,043.80 : 859,565.70 = 146,578.80 : x
  2. Step 2: Convert to fraction form
    573,043.80/859,565.70 = 146,578.80/x
  3. Step 3: Cross multiply
    573,043.80x = 859,565.70 × 146,578.80
  4. Step 4: Simplify right side
    573,043.80x = 125,994,108,827.16
  5. Step 5: Solve for x
    x = 125,994,108,827.16/573,043.80
  6. Step 6: Final answer
    x = 219,868.20

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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.