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Finding the Fourth Proportional to 613,337.20, 920,880.60 and 464,621.20

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Solution

The fourth proportional to 613,337.20, 920,880.60 and 464,621.20 is: 697,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,337.20 : 920,880.60 = 464,621.20 : x
  2. Step 2: Convert to fraction form
    613,337.20/920,880.60 = 464,621.20/x
  3. Step 3: Cross multiply
    613,337.20x = 920,880.60 × 464,621.20
  4. Step 4: Simplify right side
    613,337.20x = 427,860,649,428.72
  5. Step 5: Solve for x
    x = 427,860,649,428.72/613,337.20
  6. Step 6: Final answer
    x = 697,594.49

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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.