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Finding the Fourth Proportional to 612,016.13, 844,320.24 and 382,174.38

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Solution

The fourth proportional to 612,016.13, 844,320.24 and 382,174.38 is: 527,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,016.13 : 844,320.24 = 382,174.38 : x
  2. Step 2: Convert to fraction form
    612,016.13/844,320.24 = 382,174.38/x
  3. Step 3: Cross multiply
    612,016.13x = 844,320.24 × 382,174.38
  4. Step 4: Simplify right side
    612,016.13x = 322,677,565,430.78
  5. Step 5: Solve for x
    x = 322,677,565,430.78/612,016.13
  6. Step 6: Final answer
    x = 527,237.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.