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Finding the Fourth Proportional to 569,017.80, 853,526.70 and 412,345.80

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Solution

The fourth proportional to 569,017.80, 853,526.70 and 412,345.80 is: 618,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,017.80 : 853,526.70 = 412,345.80 : x
  2. Step 2: Convert to fraction form
    569,017.80/853,526.70 = 412,345.80/x
  3. Step 3: Cross multiply
    569,017.80x = 853,526.70 × 412,345.80
  4. Step 4: Simplify right side
    569,017.80x = 351,948,149,932.86
  5. Step 5: Solve for x
    x = 351,948,149,932.86/569,017.80
  6. Step 6: Final answer
    x = 618,518.70

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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.