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Finding the Fourth Proportional to 960,012.88, 1,324,804 and 524,424.94

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Solution

The fourth proportional to 960,012.88, 1,324,804 and 524,424.94 is: 723,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,012.88 : 1,324,804 = 524,424.94 : x
  2. Step 2: Convert to fraction form
    960,012.88/1,324,804 = 524,424.94/x
  3. Step 3: Cross multiply
    960,012.88x = 1,324,804 × 524,424.94
  4. Step 4: Simplify right side
    960,012.88x = 694,760,258,211.76
  5. Step 5: Solve for x
    x = 694,760,258,211.76/960,012.88
  6. Step 6: Final answer
    x = 723,698.89

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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.