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Finding the Fourth Proportional to 637,603.20, 954,331.20 and 496,598.40

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Solution

The fourth proportional to 637,603.20, 954,331.20 and 496,598.40 is: 743,282.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,603.20 : 954,331.20 = 496,598.40 : x
  2. Step 2: Convert to fraction form
    637,603.20/954,331.20 = 496,598.40/x
  3. Step 3: Cross multiply
    637,603.20x = 954,331.20 × 496,598.40
  4. Step 4: Simplify right side
    637,603.20x = 473,919,346,990.08
  5. Step 5: Solve for x
    x = 473,919,346,990.08/637,603.20
  6. Step 6: Final answer
    x = 743,282.57

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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.