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Finding the Fourth Proportional to 473,230.80, 709,846.20 and 434,523.60

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Solution

The fourth proportional to 473,230.80, 709,846.20 and 434,523.60 is: 651,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,230.80 : 709,846.20 = 434,523.60 : x
  2. Step 2: Convert to fraction form
    473,230.80/709,846.20 = 434,523.60/x
  3. Step 3: Cross multiply
    473,230.80x = 709,846.20 × 434,523.60
  4. Step 4: Simplify right side
    473,230.80x = 308,444,926,270.32
  5. Step 5: Solve for x
    x = 308,444,926,270.32/473,230.80
  6. Step 6: Final answer
    x = 651,785.40

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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.