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Finding the Fourth Proportional to 362,118.51, 499,376.37 and 216,901.11

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Solution

The fourth proportional to 362,118.51, 499,376.37 and 216,901.11 is: 299,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,118.51 : 499,376.37 = 216,901.11 : x
  2. Step 2: Convert to fraction form
    362,118.51/499,376.37 = 216,901.11/x
  3. Step 3: Cross multiply
    362,118.51x = 499,376.37 × 216,901.11
  4. Step 4: Simplify right side
    362,118.51x = 108,315,288,960.77
  5. Step 5: Solve for x
    x = 108,315,288,960.77/362,118.51
  6. Step 6: Final answer
    x = 299,115.58

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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.