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Finding the Fourth Proportional to 460,909.08, 691,465.11 and 141,063.39

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Solution

The fourth proportional to 460,909.08, 691,465.11 and 141,063.39 is: 211,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,909.08 : 691,465.11 = 141,063.39 : x
  2. Step 2: Convert to fraction form
    460,909.08/691,465.11 = 141,063.39/x
  3. Step 3: Cross multiply
    460,909.08x = 691,465.11 × 141,063.39
  4. Step 4: Simplify right side
    460,909.08x = 97,540,412,483.32
  5. Step 5: Solve for x
    x = 97,540,412,483.32/460,909.08
  6. Step 6: Final answer
    x = 211,626.15

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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.