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Finding the Fourth Proportional to 273,431.40, 410,147.10 and 207,001.28

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Solution

The fourth proportional to 273,431.40, 410,147.10 and 207,001.28 is: 310,501.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,431.40 : 410,147.10 = 207,001.28 : x
  2. Step 2: Convert to fraction form
    273,431.40/410,147.10 = 207,001.28/x
  3. Step 3: Cross multiply
    273,431.40x = 410,147.10 × 207,001.28
  4. Step 4: Simplify right side
    273,431.40x = 84,900,974,688.29
  5. Step 5: Solve for x
    x = 84,900,974,688.29/273,431.40
  6. Step 6: Final answer
    x = 310,501.92

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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.