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Finding the Fourth Proportional to 598,490.40, 899,809.20 and 586,048.80

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Solution

The fourth proportional to 598,490.40, 899,809.20 and 586,048.80 is: 881,103.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,490.40 : 899,809.20 = 586,048.80 : x
  2. Step 2: Convert to fraction form
    598,490.40/899,809.20 = 586,048.80/x
  3. Step 3: Cross multiply
    598,490.40x = 899,809.20 × 586,048.80
  4. Step 4: Simplify right side
    598,490.40x = 527,332,101,888.96
  5. Step 5: Solve for x
    x = 527,332,101,888.96/598,490.40
  6. Step 6: Final answer
    x = 881,103.69

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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.