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Finding the Fourth Proportional to 575,199.11, 862,214.18 and 238,422.98

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Solution

The fourth proportional to 575,199.11, 862,214.18 and 238,422.98 is: 357,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,199.11 : 862,214.18 = 238,422.98 : x
  2. Step 2: Convert to fraction form
    575,199.11/862,214.18 = 238,422.98/x
  3. Step 3: Cross multiply
    575,199.11x = 862,214.18 × 238,422.98
  4. Step 4: Simplify right side
    575,199.11x = 205,571,668,690.67
  5. Step 5: Solve for x
    x = 205,571,668,690.67/575,199.11
  6. Step 6: Final answer
    x = 357,392.19

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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.