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Finding the Fourth Proportional to 575,273.16, 862,909.32 and 154,548.84

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Solution

The fourth proportional to 575,273.16, 862,909.32 and 154,548.84 is: 231,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,273.16 : 862,909.32 = 154,548.84 : x
  2. Step 2: Convert to fraction form
    575,273.16/862,909.32 = 154,548.84/x
  3. Step 3: Cross multiply
    575,273.16x = 862,909.32 × 154,548.84
  4. Step 4: Simplify right side
    575,273.16x = 133,361,634,431.19
  5. Step 5: Solve for x
    x = 133,361,634,431.19/575,273.16
  6. Step 6: Final answer
    x = 231,823.15

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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.