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Finding the Fourth Proportional to 586,864.80, 880,297.20 and 547,207.20

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Solution

The fourth proportional to 586,864.80, 880,297.20 and 547,207.20 is: 820,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,864.80 : 880,297.20 = 547,207.20 : x
  2. Step 2: Convert to fraction form
    586,864.80/880,297.20 = 547,207.20/x
  3. Step 3: Cross multiply
    586,864.80x = 880,297.20 × 547,207.20
  4. Step 4: Simplify right side
    586,864.80x = 481,704,965,979.84
  5. Step 5: Solve for x
    x = 481,704,965,979.84/586,864.80
  6. Step 6: Final answer
    x = 820,810.80

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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.