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Finding the Fourth Proportional to 273,614.10, 410,421.15 and 168,492.30

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Solution

The fourth proportional to 273,614.10, 410,421.15 and 168,492.30 is: 252,738.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,614.10 : 410,421.15 = 168,492.30 : x
  2. Step 2: Convert to fraction form
    273,614.10/410,421.15 = 168,492.30/x
  3. Step 3: Cross multiply
    273,614.10x = 410,421.15 × 168,492.30
  4. Step 4: Simplify right side
    273,614.10x = 69,152,803,532.15
  5. Step 5: Solve for x
    x = 69,152,803,532.15/273,614.10
  6. Step 6: Final answer
    x = 252,738.45

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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.