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Finding the Fourth Proportional to 401,036.90, 601,555.35 and 164,549.30

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Solution

The fourth proportional to 401,036.90, 601,555.35 and 164,549.30 is: 246,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,036.90 : 601,555.35 = 164,549.30 : x
  2. Step 2: Convert to fraction form
    401,036.90/601,555.35 = 164,549.30/x
  3. Step 3: Cross multiply
    401,036.90x = 601,555.35 × 164,549.30
  4. Step 4: Simplify right side
    401,036.90x = 98,985,511,753.76
  5. Step 5: Solve for x
    x = 98,985,511,753.76/401,036.90
  6. Step 6: Final answer
    x = 246,823.95

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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.