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Finding the Fourth Proportional to 483,645.60, 725,468.40 and 334,346.40

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Solution

The fourth proportional to 483,645.60, 725,468.40 and 334,346.40 is: 501,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,645.60 : 725,468.40 = 334,346.40 : x
  2. Step 2: Convert to fraction form
    483,645.60/725,468.40 = 334,346.40/x
  3. Step 3: Cross multiply
    483,645.60x = 725,468.40 × 334,346.40
  4. Step 4: Simplify right side
    483,645.60x = 242,557,747,853.76
  5. Step 5: Solve for x
    x = 242,557,747,853.76/483,645.60
  6. Step 6: Final answer
    x = 501,519.60

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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.