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Finding the Fourth Proportional to 467,243.70, 700,865.55 and 307,811.40

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Solution

The fourth proportional to 467,243.70, 700,865.55 and 307,811.40 is: 461,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,243.70 : 700,865.55 = 307,811.40 : x
  2. Step 2: Convert to fraction form
    467,243.70/700,865.55 = 307,811.40/x
  3. Step 3: Cross multiply
    467,243.70x = 700,865.55 × 307,811.40
  4. Step 4: Simplify right side
    467,243.70x = 215,734,406,157.27
  5. Step 5: Solve for x
    x = 215,734,406,157.27/467,243.70
  6. Step 6: Final answer
    x = 461,717.10

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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.