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Finding the Fourth Proportional to 427,712.01, 590,202.59 and 255,595.82

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Solution

The fourth proportional to 427,712.01, 590,202.59 and 255,595.82 is: 352,698.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,712.01 : 590,202.59 = 255,595.82 : x
  2. Step 2: Convert to fraction form
    427,712.01/590,202.59 = 255,595.82/x
  3. Step 3: Cross multiply
    427,712.01x = 590,202.59 × 255,595.82
  4. Step 4: Simplify right side
    427,712.01x = 150,853,310,728.18
  5. Step 5: Solve for x
    x = 150,853,310,728.18/427,712.01
  6. Step 6: Final answer
    x = 352,698.33

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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.