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Finding the Fourth Proportional to 534,601.32, 801,805.08 and 214,740.30

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Solution

The fourth proportional to 534,601.32, 801,805.08 and 214,740.30 is: 322,071.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,601.32 : 801,805.08 = 214,740.30 : x
  2. Step 2: Convert to fraction form
    534,601.32/801,805.08 = 214,740.30/x
  3. Step 3: Cross multiply
    534,601.32x = 801,805.08 × 214,740.30
  4. Step 4: Simplify right side
    534,601.32x = 172,179,863,420.72
  5. Step 5: Solve for x
    x = 172,179,863,420.72/534,601.32
  6. Step 6: Final answer
    x = 322,071.53

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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.