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Finding the Fourth Proportional to 376,521.80, 564,779.10 and 92,213.60

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Solution

The fourth proportional to 376,521.80, 564,779.10 and 92,213.60 is: 138,319.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,521.80 : 564,779.10 = 92,213.60 : x
  2. Step 2: Convert to fraction form
    376,521.80/564,779.10 = 92,213.60/x
  3. Step 3: Cross multiply
    376,521.80x = 564,779.10 × 92,213.60
  4. Step 4: Simplify right side
    376,521.80x = 52,080,314,015.76
  5. Step 5: Solve for x
    x = 52,080,314,015.76/376,521.80
  6. Step 6: Final answer
    x = 138,319.52

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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.