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Finding the Fourth Proportional to 475,102.08, 655,478.08 and 271,006.40

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Solution

The fourth proportional to 475,102.08, 655,478.08 and 271,006.40 is: 373,895.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,102.08 : 655,478.08 = 271,006.40 : x
  2. Step 2: Convert to fraction form
    475,102.08/655,478.08 = 271,006.40/x
  3. Step 3: Cross multiply
    475,102.08x = 655,478.08 × 271,006.40
  4. Step 4: Simplify right side
    475,102.08x = 177,638,754,739.71
  5. Step 5: Solve for x
    x = 177,638,754,739.71/475,102.08
  6. Step 6: Final answer
    x = 373,895.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.