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Finding the Fourth Proportional to 504,017.96, 756,174.60 and 149,041.20

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Solution

The fourth proportional to 504,017.96, 756,174.60 and 149,041.20 is: 223,605.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,017.96 : 756,174.60 = 149,041.20 : x
  2. Step 2: Convert to fraction form
    504,017.96/756,174.60 = 149,041.20/x
  3. Step 3: Cross multiply
    504,017.96x = 756,174.60 × 149,041.20
  4. Step 4: Simplify right side
    504,017.96x = 112,701,169,793.52
  5. Step 5: Solve for x
    x = 112,701,169,793.52/504,017.96
  6. Step 6: Final answer
    x = 223,605.46

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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.