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Finding the Fourth Proportional to 569,631.80, 854,496.30 and 148,907

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Solution

The fourth proportional to 569,631.80, 854,496.30 and 148,907 is: 223,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,631.80 : 854,496.30 = 148,907 : x
  2. Step 2: Convert to fraction form
    569,631.80/854,496.30 = 148,907/x
  3. Step 3: Cross multiply
    569,631.80x = 854,496.30 × 148,907
  4. Step 4: Simplify right side
    569,631.80x = 127,240,480,544.10
  5. Step 5: Solve for x
    x = 127,240,480,544.10/569,631.80
  6. Step 6: Final answer
    x = 223,373.20

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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.