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Finding the Fourth Proportional to 409,671.92, 565,026.76 and 266,477.70

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Solution

The fourth proportional to 409,671.92, 565,026.76 and 266,477.70 is: 367,530.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,671.92 : 565,026.76 = 266,477.70 : x
  2. Step 2: Convert to fraction form
    409,671.92/565,026.76 = 266,477.70/x
  3. Step 3: Cross multiply
    409,671.92x = 565,026.76 × 266,477.70
  4. Step 4: Simplify right side
    409,671.92x = 150,567,031,443.25
  5. Step 5: Solve for x
    x = 150,567,031,443.25/409,671.92
  6. Step 6: Final answer
    x = 367,530.76

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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.