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Finding the Fourth Proportional to 575,966.88, 863,851.86 and 155,144.34

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Solution

The fourth proportional to 575,966.88, 863,851.86 and 155,144.34 is: 232,689.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,966.88 : 863,851.86 = 155,144.34 : x
  2. Step 2: Convert to fraction form
    575,966.88/863,851.86 = 155,144.34/x
  3. Step 3: Cross multiply
    575,966.88x = 863,851.86 × 155,144.34
  4. Step 4: Simplify right side
    575,966.88x = 134,021,726,677.47
  5. Step 5: Solve for x
    x = 134,021,726,677.47/575,966.88
  6. Step 6: Final answer
    x = 232,689.99

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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.