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Finding the Fourth Proportional to 652,256.20, 978,384.30 and 586,937.80

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Solution

The fourth proportional to 652,256.20, 978,384.30 and 586,937.80 is: 880,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,256.20 : 978,384.30 = 586,937.80 : x
  2. Step 2: Convert to fraction form
    652,256.20/978,384.30 = 586,937.80/x
  3. Step 3: Cross multiply
    652,256.20x = 978,384.30 × 586,937.80
  4. Step 4: Simplify right side
    652,256.20x = 574,250,728,596.54
  5. Step 5: Solve for x
    x = 574,250,728,596.54/652,256.20
  6. Step 6: Final answer
    x = 880,406.70

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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.