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Finding the Fourth Proportional to 220,511.95, 304,477.90 and 169,444.18

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Solution

The fourth proportional to 220,511.95, 304,477.90 and 169,444.18 is: 233,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,511.95 : 304,477.90 = 169,444.18 : x
  2. Step 2: Convert to fraction form
    220,511.95/304,477.90 = 169,444.18/x
  3. Step 3: Cross multiply
    220,511.95x = 304,477.90 × 169,444.18
  4. Step 4: Simplify right side
    220,511.95x = 51,592,008,093.62
  5. Step 5: Solve for x
    x = 51,592,008,093.62/220,511.95
  6. Step 6: Final answer
    x = 233,964.68

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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.