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Finding the Fourth Proportional to 354,937.41, 532,668.56 and 130,437

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Solution

The fourth proportional to 354,937.41, 532,668.56 and 130,437 is: 195,751.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,937.41 : 532,668.56 = 130,437 : x
  2. Step 2: Convert to fraction form
    354,937.41/532,668.56 = 130,437/x
  3. Step 3: Cross multiply
    354,937.41x = 532,668.56 × 130,437
  4. Step 4: Simplify right side
    354,937.41x = 69,479,688,308.54
  5. Step 5: Solve for x
    x = 69,479,688,308.54/354,937.41
  6. Step 6: Final answer
    x = 195,751.94

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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.