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Finding the Fourth Proportional to 273,445.20, 409,973.40 and 104,900.40

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Solution

The fourth proportional to 273,445.20, 409,973.40 and 104,900.40 is: 157,276.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,445.20 : 409,973.40 = 104,900.40 : x
  2. Step 2: Convert to fraction form
    273,445.20/409,973.40 = 104,900.40/x
  3. Step 3: Cross multiply
    273,445.20x = 409,973.40 × 104,900.40
  4. Step 4: Simplify right side
    273,445.20x = 43,006,373,649.36
  5. Step 5: Solve for x
    x = 43,006,373,649.36/273,445.20
  6. Step 6: Final answer
    x = 157,276.02

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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.