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Finding the Fourth Proportional to 572,569.80, 858,854.70 and 146,104.80

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Solution

The fourth proportional to 572,569.80, 858,854.70 and 146,104.80 is: 219,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,569.80 : 858,854.70 = 146,104.80 : x
  2. Step 2: Convert to fraction form
    572,569.80/858,854.70 = 146,104.80/x
  3. Step 3: Cross multiply
    572,569.80x = 858,854.70 × 146,104.80
  4. Step 4: Simplify right side
    572,569.80x = 125,482,794,172.56
  5. Step 5: Solve for x
    x = 125,482,794,172.56/572,569.80
  6. Step 6: Final answer
    x = 219,157.20

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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.