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Finding the Fourth Proportional to 356,962.21, 535,606.71 and 154,620.16

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Solution

The fourth proportional to 356,962.21, 535,606.71 and 154,620.16 is: 232,001.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,962.21 : 535,606.71 = 154,620.16 : x
  2. Step 2: Convert to fraction form
    356,962.21/535,606.71 = 154,620.16/x
  3. Step 3: Cross multiply
    356,962.21x = 535,606.71 × 154,620.16
  4. Step 4: Simplify right side
    356,962.21x = 82,815,595,197.27
  5. Step 5: Solve for x
    x = 82,815,595,197.27/356,962.21
  6. Step 6: Final answer
    x = 232,001.02

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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.