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Finding the Fourth Proportional to 569,743.40, 853,488.70 and 499,701.80

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Solution

The fourth proportional to 569,743.40, 853,488.70 and 499,701.80 is: 748,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,743.40 : 853,488.70 = 499,701.80 : x
  2. Step 2: Convert to fraction form
    569,743.40/853,488.70 = 499,701.80/x
  3. Step 3: Cross multiply
    569,743.40x = 853,488.70 × 499,701.80
  4. Step 4: Simplify right side
    569,743.40x = 426,489,839,669.66
  5. Step 5: Solve for x
    x = 426,489,839,669.66/569,743.40
  6. Step 6: Final answer
    x = 748,564.77

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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.