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Finding the Fourth Proportional to 569,682.30, 854,458.65 and 149,000.70

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Solution

The fourth proportional to 569,682.30, 854,458.65 and 149,000.70 is: 223,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,682.30 : 854,458.65 = 149,000.70 : x
  2. Step 2: Convert to fraction form
    569,682.30/854,458.65 = 149,000.70/x
  3. Step 3: Cross multiply
    569,682.30x = 854,458.65 × 149,000.70
  4. Step 4: Simplify right side
    569,682.30x = 127,314,936,971.06
  5. Step 5: Solve for x
    x = 127,314,936,971.06/569,682.30
  6. Step 6: Final answer
    x = 223,484.10

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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.