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Finding the Fourth Proportional to 623,880.90, 934,266.15 and 499,464.90

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Solution

The fourth proportional to 623,880.90, 934,266.15 and 499,464.90 is: 747,952.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,880.90 : 934,266.15 = 499,464.90 : x
  2. Step 2: Convert to fraction form
    623,880.90/934,266.15 = 499,464.90/x
  3. Step 3: Cross multiply
    623,880.90x = 934,266.15 × 499,464.90
  4. Step 4: Simplify right side
    623,880.90x = 466,633,149,183.14
  5. Step 5: Solve for x
    x = 466,633,149,183.14/623,880.90
  6. Step 6: Final answer
    x = 747,952.29

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Double scale
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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.