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Finding the Fourth Proportional to 504,133.62, 756,312.56 and 219,870.14

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Solution

The fourth proportional to 504,133.62, 756,312.56 and 219,870.14 is: 329,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,133.62 : 756,312.56 = 219,870.14 : x
  2. Step 2: Convert to fraction form
    504,133.62/756,312.56 = 219,870.14/x
  3. Step 3: Cross multiply
    504,133.62x = 756,312.56 × 219,870.14
  4. Step 4: Simplify right side
    504,133.62x = 166,290,543,570.05
  5. Step 5: Solve for x
    x = 166,290,543,570.05/504,133.62
  6. Step 6: Final answer
    x = 329,854.10

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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.