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Finding the Fourth Proportional to 407,236.80, 562,278.24 and 271,590.96

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Solution

The fourth proportional to 407,236.80, 562,278.24 and 271,590.96 is: 374,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,236.80 : 562,278.24 = 271,590.96 : x
  2. Step 2: Convert to fraction form
    407,236.80/562,278.24 = 271,590.96/x
  3. Step 3: Cross multiply
    407,236.80x = 562,278.24 × 271,590.96
  4. Step 4: Simplify right side
    407,236.80x = 152,709,686,988.71
  5. Step 5: Solve for x
    x = 152,709,686,988.71/407,236.80
  6. Step 6: Final answer
    x = 374,989.90

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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.