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Finding the Fourth Proportional to 586,917.80, 880,376.70 and 547,260.20

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Solution

The fourth proportional to 586,917.80, 880,376.70 and 547,260.20 is: 820,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,917.80 : 880,376.70 = 547,260.20 : x
  2. Step 2: Convert to fraction form
    586,917.80/880,376.70 = 547,260.20/x
  3. Step 3: Cross multiply
    586,917.80x = 880,376.70 × 547,260.20
  4. Step 4: Simplify right side
    586,917.80x = 481,795,128,917.34
  5. Step 5: Solve for x
    x = 481,795,128,917.34/586,917.80
  6. Step 6: Final answer
    x = 820,890.30

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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.