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Finding the Fourth Proportional to 388,967.16, 583,217.18 and 152,027.56

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Solution

The fourth proportional to 388,967.16, 583,217.18 and 152,027.56 is: 227,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,967.16 : 583,217.18 = 152,027.56 : x
  2. Step 2: Convert to fraction form
    388,967.16/583,217.18 = 152,027.56/x
  3. Step 3: Cross multiply
    388,967.16x = 583,217.18 × 152,027.56
  4. Step 4: Simplify right side
    388,967.16x = 88,665,084,825.48
  5. Step 5: Solve for x
    x = 88,665,084,825.48/388,967.16
  6. Step 6: Final answer
    x = 227,950.05

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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.