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Finding the Fourth Proportional to 633,326.40, 950,680.80 and 353,390.40

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Solution

The fourth proportional to 633,326.40, 950,680.80 and 353,390.40 is: 530,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,326.40 : 950,680.80 = 353,390.40 : x
  2. Step 2: Convert to fraction form
    633,326.40/950,680.80 = 353,390.40/x
  3. Step 3: Cross multiply
    633,326.40x = 950,680.80 × 353,390.40
  4. Step 4: Simplify right side
    633,326.40x = 335,961,468,184.32
  5. Step 5: Solve for x
    x = 335,961,468,184.32/633,326.40
  6. Step 6: Final answer
    x = 530,471.28

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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.