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Finding the Fourth Proportional to 401,065.40, 601,598.10 and 164,577.80

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Solution

The fourth proportional to 401,065.40, 601,598.10 and 164,577.80 is: 246,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,065.40 : 601,598.10 = 164,577.80 : x
  2. Step 2: Convert to fraction form
    401,065.40/601,598.10 = 164,577.80/x
  3. Step 3: Cross multiply
    401,065.40x = 601,598.10 × 164,577.80
  4. Step 4: Simplify right side
    401,065.40x = 99,009,691,782.18
  5. Step 5: Solve for x
    x = 99,009,691,782.18/401,065.40
  6. Step 6: Final answer
    x = 246,866.70

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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.