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Finding the Fourth Proportional to 357,892.61, 536,445.25 and 147,415.73

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Solution

The fourth proportional to 357,892.61, 536,445.25 and 147,415.73 is: 220,961.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,892.61 : 536,445.25 = 147,415.73 : x
  2. Step 2: Convert to fraction form
    357,892.61/536,445.25 = 147,415.73/x
  3. Step 3: Cross multiply
    357,892.61x = 536,445.25 × 147,415.73
  4. Step 4: Simplify right side
    357,892.61x = 79,080,468,133.78
  5. Step 5: Solve for x
    x = 79,080,468,133.78/357,892.61
  6. Step 6: Final answer
    x = 220,961.44

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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.