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Finding the Fourth Proportional to 463,444.40, 695,166.60 and 321,726.80

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Solution

The fourth proportional to 463,444.40, 695,166.60 and 321,726.80 is: 482,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,444.40 : 695,166.60 = 321,726.80 : x
  2. Step 2: Convert to fraction form
    463,444.40/695,166.60 = 321,726.80/x
  3. Step 3: Cross multiply
    463,444.40x = 695,166.60 × 321,726.80
  4. Step 4: Simplify right side
    463,444.40x = 223,653,725,684.88
  5. Step 5: Solve for x
    x = 223,653,725,684.88/463,444.40
  6. Step 6: Final answer
    x = 482,590.20

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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.