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Finding the Fourth Proportional to 569,630.80, 854,494.80 and 148,906

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Solution

The fourth proportional to 569,630.80, 854,494.80 and 148,906 is: 223,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,630.80 : 854,494.80 = 148,906 : x
  2. Step 2: Convert to fraction form
    569,630.80/854,494.80 = 148,906/x
  3. Step 3: Cross multiply
    569,630.80x = 854,494.80 × 148,906
  4. Step 4: Simplify right side
    569,630.80x = 127,239,402,688.80
  5. Step 5: Solve for x
    x = 127,239,402,688.80/569,630.80
  6. Step 6: Final answer
    x = 223,371.70

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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.