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Finding the Fourth Proportional to 370,260.66, 555,276.19 and 133,572.58

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Solution

The fourth proportional to 370,260.66, 555,276.19 and 133,572.58 is: 200,317.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,260.66 : 555,276.19 = 133,572.58 : x
  2. Step 2: Convert to fraction form
    370,260.66/555,276.19 = 133,572.58/x
  3. Step 3: Cross multiply
    370,260.66x = 555,276.19 × 133,572.58
  4. Step 4: Simplify right side
    370,260.66x = 74,169,673,310.87
  5. Step 5: Solve for x
    x = 74,169,673,310.87/370,260.66
  6. Step 6: Final answer
    x = 200,317.46

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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.