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Finding the Fourth Proportional to 492,078.30, 738,117.45 and 176,567.10

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Solution

The fourth proportional to 492,078.30, 738,117.45 and 176,567.10 is: 264,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,078.30 : 738,117.45 = 176,567.10 : x
  2. Step 2: Convert to fraction form
    492,078.30/738,117.45 = 176,567.10/x
  3. Step 3: Cross multiply
    492,078.30x = 738,117.45 × 176,567.10
  4. Step 4: Simplify right side
    492,078.30x = 130,327,257,605.90
  5. Step 5: Solve for x
    x = 130,327,257,605.90/492,078.30
  6. Step 6: Final answer
    x = 264,850.65

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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.