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Finding the Fourth Proportional to 586,998.80, 880,498.20 and 547,341.20

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Solution

The fourth proportional to 586,998.80, 880,498.20 and 547,341.20 is: 821,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,998.80 : 880,498.20 = 547,341.20 : x
  2. Step 2: Convert to fraction form
    586,998.80/880,498.20 = 547,341.20/x
  3. Step 3: Cross multiply
    586,998.80x = 880,498.20 × 547,341.20
  4. Step 4: Simplify right side
    586,998.80x = 481,932,941,385.84
  5. Step 5: Solve for x
    x = 481,932,941,385.84/586,998.80
  6. Step 6: Final answer
    x = 821,011.80

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Similar ratio
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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.