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Finding the Fourth Proportional to 273,409.40, 410,114.10 and 153,343.10

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Solution

The fourth proportional to 273,409.40, 410,114.10 and 153,343.10 is: 230,014.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,409.40 : 410,114.10 = 153,343.10 : x
  2. Step 2: Convert to fraction form
    273,409.40/410,114.10 = 153,343.10/x
  3. Step 3: Cross multiply
    273,409.40x = 410,114.10 × 153,343.10
  4. Step 4: Simplify right side
    273,409.40x = 62,888,167,447.71
  5. Step 5: Solve for x
    x = 62,888,167,447.71/273,409.40
  6. Step 6: Final answer
    x = 230,014.65

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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.