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Finding the Fourth Proportional to 475,914.92, 656,758.54 and 261,051.08

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Solution

The fourth proportional to 475,914.92, 656,758.54 and 261,051.08 is: 360,248.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,914.92 : 656,758.54 = 261,051.08 : x
  2. Step 2: Convert to fraction form
    475,914.92/656,758.54 = 261,051.08/x
  3. Step 3: Cross multiply
    475,914.92x = 656,758.54 × 261,051.08
  4. Step 4: Simplify right side
    475,914.92x = 171,447,527,155.49
  5. Step 5: Solve for x
    x = 171,447,527,155.49/475,914.92
  6. Step 6: Final answer
    x = 360,248.27

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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.