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Finding the Fourth Proportional to 310,022.40, 464,342.40 and 254,726.40

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Solution

The fourth proportional to 310,022.40, 464,342.40 and 254,726.40 is: 381,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,022.40 : 464,342.40 = 254,726.40 : x
  2. Step 2: Convert to fraction form
    310,022.40/464,342.40 = 254,726.40/x
  3. Step 3: Cross multiply
    310,022.40x = 464,342.40 × 254,726.40
  4. Step 4: Simplify right side
    310,022.40x = 118,280,267,919.36
  5. Step 5: Solve for x
    x = 118,280,267,919.36/310,022.40
  6. Step 6: Final answer
    x = 381,521.68

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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.