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Finding the Fourth Proportional to 504,016.80, 756,140.02 and 149,017.50

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Solution

The fourth proportional to 504,016.80, 756,140.02 and 149,017.50 is: 223,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,016.80 : 756,140.02 = 149,017.50 : x
  2. Step 2: Convert to fraction form
    504,016.80/756,140.02 = 149,017.50/x
  3. Step 3: Cross multiply
    504,016.80x = 756,140.02 × 149,017.50
  4. Step 4: Simplify right side
    504,016.80x = 112,678,095,430.35
  5. Step 5: Solve for x
    x = 112,678,095,430.35/504,016.80
  6. Step 6: Final answer
    x = 223,560.20

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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.