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Finding the Fourth Proportional to 220,511.51, 304,477.28 and 169,443.74

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Solution

The fourth proportional to 220,511.51, 304,477.28 and 169,443.74 is: 233,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,511.51 : 304,477.28 = 169,443.74 : x
  2. Step 2: Convert to fraction form
    220,511.51/304,477.28 = 169,443.74/x
  3. Step 3: Cross multiply
    220,511.51x = 304,477.28 × 169,443.74
  4. Step 4: Simplify right side
    220,511.51x = 51,591,768,730.64
  5. Step 5: Solve for x
    x = 51,591,768,730.64/220,511.51
  6. Step 6: Final answer
    x = 233,964.07

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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.