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Finding the Fourth Proportional to 343,301.40, 514,952.10 and 93,983.40

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Solution

The fourth proportional to 343,301.40, 514,952.10 and 93,983.40 is: 140,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,301.40 : 514,952.10 = 93,983.40 : x
  2. Step 2: Convert to fraction form
    343,301.40/514,952.10 = 93,983.40/x
  3. Step 3: Cross multiply
    343,301.40x = 514,952.10 × 93,983.40
  4. Step 4: Simplify right side
    343,301.40x = 48,396,949,195.14
  5. Step 5: Solve for x
    x = 48,396,949,195.14/343,301.40
  6. Step 6: Final answer
    x = 140,975.10

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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.