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Finding the Fourth Proportional to 475,090.08, 655,461.52 and 270,994.40

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Solution

The fourth proportional to 475,090.08, 655,461.52 and 270,994.40 is: 373,879.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,090.08 : 655,461.52 = 270,994.40 : x
  2. Step 2: Convert to fraction form
    475,090.08/655,461.52 = 270,994.40/x
  3. Step 3: Cross multiply
    475,090.08x = 655,461.52 × 270,994.40
  4. Step 4: Simplify right side
    475,090.08x = 177,626,401,335.49
  5. Step 5: Solve for x
    x = 177,626,401,335.49/475,090.08
  6. Step 6: Final answer
    x = 373,879.42

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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.