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Finding the Fourth Proportional to 240,291.81, 360,459.24 and 69,510.84

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Solution

The fourth proportional to 240,291.81, 360,459.24 and 69,510.84 is: 104,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,291.81 : 360,459.24 = 69,510.84 : x
  2. Step 2: Convert to fraction form
    240,291.81/360,459.24 = 69,510.84/x
  3. Step 3: Cross multiply
    240,291.81x = 360,459.24 × 69,510.84
  4. Step 4: Simplify right side
    240,291.81x = 25,055,823,570.13
  5. Step 5: Solve for x
    x = 25,055,823,570.13/240,291.81
  6. Step 6: Final answer
    x = 104,272.48

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1.5x scale

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.