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Finding the Fourth Proportional to 442,580.16, 661,350.72 and 332,316.27

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Solution

The fourth proportional to 442,580.16, 661,350.72 and 332,316.27 is: 496,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,580.16 : 661,350.72 = 332,316.27 : x
  2. Step 2: Convert to fraction form
    442,580.16/661,350.72 = 332,316.27/x
  3. Step 3: Cross multiply
    442,580.16x = 661,350.72 × 332,316.27
  4. Step 4: Simplify right side
    442,580.16x = 219,777,604,432.21
  5. Step 5: Solve for x
    x = 219,777,604,432.21/442,580.16
  6. Step 6: Final answer
    x = 496,582.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.