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Finding the Fourth Proportional to 575,325.66, 862,987.74 and 154,601.55

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Solution

The fourth proportional to 575,325.66, 862,987.74 and 154,601.55 is: 231,902.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,325.66 : 862,987.74 = 154,601.55 : x
  2. Step 2: Convert to fraction form
    575,325.66/862,987.74 = 154,601.55/x
  3. Step 3: Cross multiply
    575,325.66x = 862,987.74 × 154,601.55
  4. Step 4: Simplify right side
    575,325.66x = 133,419,242,235.00
  5. Step 5: Solve for x
    x = 133,419,242,235.00/575,325.66
  6. Step 6: Final answer
    x = 231,902.12

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1.5x scale

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.