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Finding the Fourth Proportional to 534,671.70, 801,509.19 and 268,120.74

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Solution

The fourth proportional to 534,671.70, 801,509.19 and 268,120.74 is: 401,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,671.70 : 801,509.19 = 268,120.74 : x
  2. Step 2: Convert to fraction form
    534,671.70/801,509.19 = 268,120.74/x
  3. Step 3: Cross multiply
    534,671.70x = 801,509.19 × 268,120.74
  4. Step 4: Simplify right side
    534,671.70x = 214,901,237,139.60
  5. Step 5: Solve for x
    x = 214,901,237,139.60/534,671.70
  6. Step 6: Final answer
    x = 401,931.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.