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Finding the Fourth Proportional to 652,895.90, 978,950.19 and 298,208.24

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Solution

The fourth proportional to 652,895.90, 978,950.19 and 298,208.24 is: 447,132.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,895.90 : 978,950.19 = 298,208.24 : x
  2. Step 2: Convert to fraction form
    652,895.90/978,950.19 = 298,208.24/x
  3. Step 3: Cross multiply
    652,895.90x = 978,950.19 × 298,208.24
  4. Step 4: Simplify right side
    652,895.90x = 291,931,013,207.57
  5. Step 5: Solve for x
    x = 291,931,013,207.57/652,895.90
  6. Step 6: Final answer
    x = 447,132.56

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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.