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Finding the Fourth Proportional to 343,316.20, 514,974.30 and 343,316.20

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Solution

The fourth proportional to 343,316.20, 514,974.30 and 343,316.20 is: 514,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,316.20 : 514,974.30 = 343,316.20 : x
  2. Step 2: Convert to fraction form
    343,316.20/514,974.30 = 343,316.20/x
  3. Step 3: Cross multiply
    343,316.20x = 514,974.30 × 343,316.20
  4. Step 4: Simplify right side
    343,316.20x = 176,799,019,773.66
  5. Step 5: Solve for x
    x = 176,799,019,773.66/343,316.20
  6. Step 6: Final answer
    x = 514,974.30

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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.