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Finding the Fourth Proportional to 483,724.80, 725,587.20 and 334,425.60

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Solution

The fourth proportional to 483,724.80, 725,587.20 and 334,425.60 is: 501,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,724.80 : 725,587.20 = 334,425.60 : x
  2. Step 2: Convert to fraction form
    483,724.80/725,587.20 = 334,425.60/x
  3. Step 3: Cross multiply
    483,724.80x = 725,587.20 × 334,425.60
  4. Step 4: Simplify right side
    483,724.80x = 242,654,934,712.32
  5. Step 5: Solve for x
    x = 242,654,934,712.32/483,724.80
  6. Step 6: Final answer
    x = 501,638.40

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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.