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Finding the Fourth Proportional to 575,605.72, 863,342.16 and 154,848.52

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Solution

The fourth proportional to 575,605.72, 863,342.16 and 154,848.52 is: 232,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,605.72 : 863,342.16 = 154,848.52 : x
  2. Step 2: Convert to fraction form
    575,605.72/863,342.16 = 154,848.52/x
  3. Step 3: Cross multiply
    575,605.72x = 863,342.16 × 154,848.52
  4. Step 4: Simplify right side
    575,605.72x = 133,687,255,729.60
  5. Step 5: Solve for x
    x = 133,687,255,729.60/575,605.72
  6. Step 6: Final answer
    x = 232,254.91

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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.