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Finding the Fourth Proportional to 586,315.80, 880,785.90 and 564,008.40

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Solution

The fourth proportional to 586,315.80, 880,785.90 and 564,008.40 is: 847,274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,315.80 : 880,785.90 = 564,008.40 : x
  2. Step 2: Convert to fraction form
    586,315.80/880,785.90 = 564,008.40/x
  3. Step 3: Cross multiply
    586,315.80x = 880,785.90 × 564,008.40
  4. Step 4: Simplify right side
    586,315.80x = 496,770,646,201.56
  5. Step 5: Solve for x
    x = 496,770,646,201.56/586,315.80
  6. Step 6: Final answer
    x = 847,274.88

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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.