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Finding the Fourth Proportional to 467,878.40, 700,505.40 and 454,756.40

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Solution

The fourth proportional to 467,878.40, 700,505.40 and 454,756.40 is: 680,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,878.40 : 700,505.40 = 454,756.40 : x
  2. Step 2: Convert to fraction form
    467,878.40/700,505.40 = 454,756.40/x
  3. Step 3: Cross multiply
    467,878.40x = 700,505.40 × 454,756.40
  4. Step 4: Simplify right side
    467,878.40x = 318,559,313,884.56
  5. Step 5: Solve for x
    x = 318,559,313,884.56/467,878.40
  6. Step 6: Final answer
    x = 680,859.20

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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.