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Finding the Fourth Proportional to 635,521.42, 953,281.14 and 162,206.74

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Solution

The fourth proportional to 635,521.42, 953,281.14 and 162,206.74 is: 243,309.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,521.42 : 953,281.14 = 162,206.74 : x
  2. Step 2: Convert to fraction form
    635,521.42/953,281.14 = 162,206.74/x
  3. Step 3: Cross multiply
    635,521.42x = 953,281.14 × 162,206.74
  4. Step 4: Simplify right side
    635,521.42x = 154,628,626,022.88
  5. Step 5: Solve for x
    x = 154,628,626,022.88/635,521.42
  6. Step 6: Final answer
    x = 243,309.86

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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.