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Finding the Fourth Proportional to 369,991.59, 555,057.36 and 117,335.76

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Solution

The fourth proportional to 369,991.59, 555,057.36 and 117,335.76 is: 176,025.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,991.59 : 555,057.36 = 117,335.76 : x
  2. Step 2: Convert to fraction form
    369,991.59/555,057.36 = 117,335.76/x
  3. Step 3: Cross multiply
    369,991.59x = 555,057.36 × 117,335.76
  4. Step 4: Simplify right side
    369,991.59x = 65,128,077,179.19
  5. Step 5: Solve for x
    x = 65,128,077,179.19/369,991.59
  6. Step 6: Final answer
    x = 176,025.83

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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.