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Finding the Fourth Proportional to 637,617.20, 954,352.20 and 496,612.40

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Solution

The fourth proportional to 637,617.20, 954,352.20 and 496,612.40 is: 743,303.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,617.20 : 954,352.20 = 496,612.40 : x
  2. Step 2: Convert to fraction form
    637,617.20/954,352.20 = 496,612.40/x
  3. Step 3: Cross multiply
    637,617.20x = 954,352.20 × 496,612.40
  4. Step 4: Simplify right side
    637,617.20x = 473,943,136,487.28
  5. Step 5: Solve for x
    x = 473,943,136,487.28/637,617.20
  6. Step 6: Final answer
    x = 743,303.56

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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.