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Finding the Fourth Proportional to 315,338.20, 473,007.30 and 93,722.20

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Solution

The fourth proportional to 315,338.20, 473,007.30 and 93,722.20 is: 140,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,338.20 : 473,007.30 = 93,722.20 : x
  2. Step 2: Convert to fraction form
    315,338.20/473,007.30 = 93,722.20/x
  3. Step 3: Cross multiply
    315,338.20x = 473,007.30 × 93,722.20
  4. Step 4: Simplify right side
    315,338.20x = 44,331,284,772.06
  5. Step 5: Solve for x
    x = 44,331,284,772.06/315,338.20
  6. Step 6: Final answer
    x = 140,583.30

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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.