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Finding the Fourth Proportional to 966,561.72, 1,450,318.88 and 434,469.48

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Solution

The fourth proportional to 966,561.72, 1,450,318.88 and 434,469.48 is: 651,918.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,561.72 : 1,450,318.88 = 434,469.48 : x
  2. Step 2: Convert to fraction form
    966,561.72/1,450,318.88 = 434,469.48/x
  3. Step 3: Cross multiply
    966,561.72x = 1,450,318.88 × 434,469.48
  4. Step 4: Simplify right side
    966,561.72x = 630,119,289,627.78
  5. Step 5: Solve for x
    x = 630,119,289,627.78/966,561.72
  6. Step 6: Final answer
    x = 651,918.32

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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.