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Finding the Fourth Proportional to 468,767.60, 702,880.56 and 412,720.16

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Solution

The fourth proportional to 468,767.60, 702,880.56 and 412,720.16 is: 618,841.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,767.60 : 702,880.56 = 412,720.16 : x
  2. Step 2: Convert to fraction form
    468,767.60/702,880.56 = 412,720.16/x
  3. Step 3: Cross multiply
    468,767.60x = 702,880.56 × 412,720.16
  4. Step 4: Simplify right side
    468,767.60x = 290,092,977,184.09
  5. Step 5: Solve for x
    x = 290,092,977,184.09/468,767.60
  6. Step 6: Final answer
    x = 618,841.78

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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.