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Finding the Fourth Proportional to 468,870.24, 647,040.15 and 254,015.76

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Solution

The fourth proportional to 468,870.24, 647,040.15 and 254,015.76 is: 350,541.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,870.24 : 647,040.15 = 254,015.76 : x
  2. Step 2: Convert to fraction form
    468,870.24/647,040.15 = 254,015.76/x
  3. Step 3: Cross multiply
    468,870.24x = 647,040.15 × 254,015.76
  4. Step 4: Simplify right side
    468,870.24x = 164,358,395,452.76
  5. Step 5: Solve for x
    x = 164,358,395,452.76/468,870.24
  6. Step 6: Final answer
    x = 350,541.33

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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.