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Finding the Fourth Proportional to 569,682.80, 854,459.40 and 149,001.20

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Solution

The fourth proportional to 569,682.80, 854,459.40 and 149,001.20 is: 223,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,682.80 : 854,459.40 = 149,001.20 : x
  2. Step 2: Convert to fraction form
    569,682.80/854,459.40 = 149,001.20/x
  3. Step 3: Cross multiply
    569,682.80x = 854,459.40 × 149,001.20
  4. Step 4: Simplify right side
    569,682.80x = 127,315,475,951.28
  5. Step 5: Solve for x
    x = 127,315,475,951.28/569,682.80
  6. Step 6: Final answer
    x = 223,484.85

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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.