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Finding the Fourth Proportional to 332,851.20, 459,417.20 and 189,696.16

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Solution

The fourth proportional to 332,851.20, 459,417.20 and 189,696.16 is: 261,827.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,851.20 : 459,417.20 = 189,696.16 : x
  2. Step 2: Convert to fraction form
    332,851.20/459,417.20 = 189,696.16/x
  3. Step 3: Cross multiply
    332,851.20x = 459,417.20 × 189,696.16
  4. Step 4: Simplify right side
    332,851.20x = 87,149,678,677.95
  5. Step 5: Solve for x
    x = 87,149,678,677.95/332,851.20
  6. Step 6: Final answer
    x = 261,827.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.