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Finding the Fourth Proportional to 534,658.32, 801,988.56 and 219,058.56

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Solution

The fourth proportional to 534,658.32, 801,988.56 and 219,058.56 is: 328,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,658.32 : 801,988.56 = 219,058.56 : x
  2. Step 2: Convert to fraction form
    534,658.32/801,988.56 = 219,058.56/x
  3. Step 3: Cross multiply
    534,658.32x = 801,988.56 × 219,058.56
  4. Step 4: Simplify right side
    534,658.32x = 175,682,459,090.07
  5. Step 5: Solve for x
    x = 175,682,459,090.07/534,658.32
  6. Step 6: Final answer
    x = 328,588.28

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Similar ratio
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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.