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Finding the Fourth Proportional to 496,681.60, 745,022.40 and 197,233.60

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Solution

The fourth proportional to 496,681.60, 745,022.40 and 197,233.60 is: 295,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,681.60 : 745,022.40 = 197,233.60 : x
  2. Step 2: Convert to fraction form
    496,681.60/745,022.40 = 197,233.60/x
  3. Step 3: Cross multiply
    496,681.60x = 745,022.40 × 197,233.60
  4. Step 4: Simplify right side
    496,681.60x = 146,943,450,032.64
  5. Step 5: Solve for x
    x = 146,943,450,032.64/496,681.60
  6. Step 6: Final answer
    x = 295,850.40

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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.