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Finding the Fourth Proportional to 315,348.20, 473,022.30 and 93,732.20

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Solution

The fourth proportional to 315,348.20, 473,022.30 and 93,732.20 is: 140,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,348.20 : 473,022.30 = 93,732.20 : x
  2. Step 2: Convert to fraction form
    315,348.20/473,022.30 = 93,732.20/x
  3. Step 3: Cross multiply
    315,348.20x = 473,022.30 × 93,732.20
  4. Step 4: Simplify right side
    315,348.20x = 44,337,420,828.06
  5. Step 5: Solve for x
    x = 44,337,420,828.06/315,348.20
  6. Step 6: Final answer
    x = 140,598.30

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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.