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Finding the Fourth Proportional to 401,080.23, 601,621.70 and 101,560.64

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Solution

The fourth proportional to 401,080.23, 601,621.70 and 101,560.64 is: 152,341.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,080.23 : 601,621.70 = 101,560.64 : x
  2. Step 2: Convert to fraction form
    401,080.23/601,621.70 = 101,560.64/x
  3. Step 3: Cross multiply
    401,080.23x = 601,621.70 × 101,560.64
  4. Step 4: Simplify right side
    401,080.23x = 61,101,081,373.98
  5. Step 5: Solve for x
    x = 61,101,081,373.98/401,080.23
  6. Step 6: Final answer
    x = 152,341.29

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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.