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Finding the Fourth Proportional to 572,089.53, 857,801.98 and 216,909.80

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Solution

The fourth proportional to 572,089.53, 857,801.98 and 216,909.80 is: 325,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,089.53 : 857,801.98 = 216,909.80 : x
  2. Step 2: Convert to fraction form
    572,089.53/857,801.98 = 216,909.80/x
  3. Step 3: Cross multiply
    572,089.53x = 857,801.98 × 216,909.80
  4. Step 4: Simplify right side
    572,089.53x = 186,065,655,120.29
  5. Step 5: Solve for x
    x = 186,065,655,120.29/572,089.53
  6. Step 6: Final answer
    x = 325,238.70

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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.