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Finding the Fourth Proportional to 575,699.85, 863,180.25 and 238,972.93

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Solution

The fourth proportional to 575,699.85, 863,180.25 and 238,972.93 is: 358,306.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,699.85 : 863,180.25 = 238,972.93 : x
  2. Step 2: Convert to fraction form
    575,699.85/863,180.25 = 238,972.93/x
  3. Step 3: Cross multiply
    575,699.85x = 863,180.25 × 238,972.93
  4. Step 4: Simplify right side
    575,699.85x = 206,276,713,460.63
  5. Step 5: Solve for x
    x = 206,276,713,460.63/575,699.85
  6. Step 6: Final answer
    x = 358,306.00

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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.