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Finding the Fourth Proportional to 569,354.40, 854,297.28 and 253,778.40

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Solution

The fourth proportional to 569,354.40, 854,297.28 and 253,778.40 is: 380,786.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,354.40 : 854,297.28 = 253,778.40 : x
  2. Step 2: Convert to fraction form
    569,354.40/854,297.28 = 253,778.40/x
  3. Step 3: Cross multiply
    569,354.40x = 854,297.28 × 253,778.40
  4. Step 4: Simplify right side
    569,354.40x = 216,802,196,842.75
  5. Step 5: Solve for x
    x = 216,802,196,842.75/569,354.40
  6. Step 6: Final answer
    x = 380,786.02

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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.