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Finding the Fourth Proportional to 623,760.80, 934,258.80 and 483,063.20

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Solution

The fourth proportional to 623,760.80, 934,258.80 and 483,063.20 is: 723,524.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,760.80 : 934,258.80 = 483,063.20 : x
  2. Step 2: Convert to fraction form
    623,760.80/934,258.80 = 483,063.20/x
  3. Step 3: Cross multiply
    623,760.80x = 934,258.80 × 483,063.20
  4. Step 4: Simplify right side
    623,760.80x = 451,306,045,556.16
  5. Step 5: Solve for x
    x = 451,306,045,556.16/623,760.80
  6. Step 6: Final answer
    x = 723,524.22

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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.