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Finding the Fourth Proportional to 496,656.10, 744,984.15 and 197,208.10

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Solution

The fourth proportional to 496,656.10, 744,984.15 and 197,208.10 is: 295,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,656.10 : 744,984.15 = 197,208.10 : x
  2. Step 2: Convert to fraction form
    496,656.10/744,984.15 = 197,208.10/x
  3. Step 3: Cross multiply
    496,656.10x = 744,984.15 × 197,208.10
  4. Step 4: Simplify right side
    496,656.10x = 146,916,908,751.62
  5. Step 5: Solve for x
    x = 146,916,908,751.62/496,656.10
  6. Step 6: Final answer
    x = 295,812.15

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Similar ratio
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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.