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Finding the Fourth Proportional to 315,344.20, 473,016.30 and 93,728.20

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Solution

The fourth proportional to 315,344.20, 473,016.30 and 93,728.20 is: 140,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,344.20 : 473,016.30 = 93,728.20 : x
  2. Step 2: Convert to fraction form
    315,344.20/473,016.30 = 93,728.20/x
  3. Step 3: Cross multiply
    315,344.20x = 473,016.30 × 93,728.20
  4. Step 4: Simplify right side
    315,344.20x = 44,334,966,369.66
  5. Step 5: Solve for x
    x = 44,334,966,369.66/315,344.20
  6. Step 6: Final answer
    x = 140,592.30

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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.