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Finding the Fourth Proportional to 315,494.28, 473,241.36 and 93,878.28

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Solution

The fourth proportional to 315,494.28, 473,241.36 and 93,878.28 is: 140,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,494.28 : 473,241.36 = 93,878.28 : x
  2. Step 2: Convert to fraction form
    315,494.28/473,241.36 = 93,878.28/x
  3. Step 3: Cross multiply
    315,494.28x = 473,241.36 × 93,878.28
  4. Step 4: Simplify right side
    315,494.28x = 44,427,084,901.66
  5. Step 5: Solve for x
    x = 44,427,084,901.66/315,494.28
  6. Step 6: Final answer
    x = 140,817.40

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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.