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Finding the Fourth Proportional to 581,159.85, 801,995.13 and 323,030.04

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Solution

The fourth proportional to 581,159.85, 801,995.13 and 323,030.04 is: 445,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,159.85 : 801,995.13 = 323,030.04 : x
  2. Step 2: Convert to fraction form
    581,159.85/801,995.13 = 323,030.04/x
  3. Step 3: Cross multiply
    581,159.85x = 801,995.13 × 323,030.04
  4. Step 4: Simplify right side
    581,159.85x = 259,068,518,923.71
  5. Step 5: Solve for x
    x = 259,068,518,923.71/581,159.85
  6. Step 6: Final answer
    x = 445,778.42

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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.