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Finding the Fourth Proportional to 240,395.05, 360,459.49 and 98,340.13

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Solution

The fourth proportional to 240,395.05, 360,459.49 and 98,340.13 is: 147,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,395.05 : 360,459.49 = 98,340.13 : x
  2. Step 2: Convert to fraction form
    240,395.05/360,459.49 = 98,340.13/x
  3. Step 3: Cross multiply
    240,395.05x = 360,459.49 × 98,340.13
  4. Step 4: Simplify right side
    240,395.05x = 35,447,634,785.82
  5. Step 5: Solve for x
    x = 35,447,634,785.82/240,395.05
  6. Step 6: Final answer
    x = 147,455.76

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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.