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Finding the Fourth Proportional to 437,698.13, 604,069.85 and 256,562.24

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Solution

The fourth proportional to 437,698.13, 604,069.85 and 256,562.24 is: 354,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,698.13 : 604,069.85 = 256,562.24 : x
  2. Step 2: Convert to fraction form
    437,698.13/604,069.85 = 256,562.24/x
  3. Step 3: Cross multiply
    437,698.13x = 604,069.85 × 256,562.24
  4. Step 4: Simplify right side
    437,698.13x = 154,981,513,408.25
  5. Step 5: Solve for x
    x = 154,981,513,408.25/437,698.13
  6. Step 6: Final answer
    x = 354,083.11

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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.