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Finding the Fourth Proportional to 652,807.80, 979,211.70 and 540,614.70

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Solution

The fourth proportional to 652,807.80, 979,211.70 and 540,614.70 is: 810,922.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,807.80 : 979,211.70 = 540,614.70 : x
  2. Step 2: Convert to fraction form
    652,807.80/979,211.70 = 540,614.70/x
  3. Step 3: Cross multiply
    652,807.80x = 979,211.70 × 540,614.70
  4. Step 4: Simplify right side
    652,807.80x = 529,376,239,431.99
  5. Step 5: Solve for x
    x = 529,376,239,431.99/652,807.80
  6. Step 6: Final answer
    x = 810,922.05

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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.