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Finding the Fourth Proportional to 586,908.30, 880,362.45 and 547,250.70

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Solution

The fourth proportional to 586,908.30, 880,362.45 and 547,250.70 is: 820,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,908.30 : 880,362.45 = 547,250.70 : x
  2. Step 2: Convert to fraction form
    586,908.30/880,362.45 = 547,250.70/x
  3. Step 3: Cross multiply
    586,908.30x = 880,362.45 × 547,250.70
  4. Step 4: Simplify right side
    586,908.30x = 481,778,967,016.22
  5. Step 5: Solve for x
    x = 481,778,967,016.22/586,908.30
  6. Step 6: Final answer
    x = 820,876.05

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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.