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Finding the Fourth Proportional to 401,775.68, 554,410.04 and 240,626.60

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Solution

The fourth proportional to 401,775.68, 554,410.04 and 240,626.60 is: 332,040.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,775.68 : 554,410.04 = 240,626.60 : x
  2. Step 2: Convert to fraction form
    401,775.68/554,410.04 = 240,626.60/x
  3. Step 3: Cross multiply
    401,775.68x = 554,410.04 × 240,626.60
  4. Step 4: Simplify right side
    401,775.68x = 133,405,802,931.06
  5. Step 5: Solve for x
    x = 133,405,802,931.06/401,775.68
  6. Step 6: Final answer
    x = 332,040.51

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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.