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Finding the Fourth Proportional to 401,552.64, 554,049.72 and 240,346.44

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Solution

The fourth proportional to 401,552.64, 554,049.72 and 240,346.44 is: 331,622.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,552.64 : 554,049.72 = 240,346.44 : x
  2. Step 2: Convert to fraction form
    401,552.64/554,049.72 = 240,346.44/x
  3. Step 3: Cross multiply
    401,552.64x = 554,049.72 × 240,346.44
  4. Step 4: Simplify right side
    401,552.64x = 133,163,877,785.00
  5. Step 5: Solve for x
    x = 133,163,877,785.00/401,552.64
  6. Step 6: Final answer
    x = 331,622.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.