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Finding the Fourth Proportional to 581,189.88, 802,399.86 and 460,817.40

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Solution

The fourth proportional to 581,189.88, 802,399.86 and 460,817.40 is: 636,211.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,189.88 : 802,399.86 = 460,817.40 : x
  2. Step 2: Convert to fraction form
    581,189.88/802,399.86 = 460,817.40/x
  3. Step 3: Cross multiply
    581,189.88x = 802,399.86 × 460,817.40
  4. Step 4: Simplify right side
    581,189.88x = 369,759,817,245.56
  5. Step 5: Solve for x
    x = 369,759,817,245.56/581,189.88
  6. Step 6: Final answer
    x = 636,211.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.