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Finding the Fourth Proportional to 650,215.86, 897,261.80 and 363,680.60

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Solution

The fourth proportional to 650,215.86, 897,261.80 and 363,680.60 is: 501,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,215.86 : 897,261.80 = 363,680.60 : x
  2. Step 2: Convert to fraction form
    650,215.86/897,261.80 = 363,680.60/x
  3. Step 3: Cross multiply
    650,215.86x = 897,261.80 × 363,680.60
  4. Step 4: Simplify right side
    650,215.86x = 326,316,703,476.37
  5. Step 5: Solve for x
    x = 326,316,703,476.37/650,215.86
  6. Step 6: Final answer
    x = 501,859.03

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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.