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Finding the Fourth Proportional to 401,071.04, 601,201.52 and 251,416.23

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Solution

The fourth proportional to 401,071.04, 601,201.52 and 251,416.23 is: 376,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,071.04 : 601,201.52 = 251,416.23 : x
  2. Step 2: Convert to fraction form
    401,071.04/601,201.52 = 251,416.23/x
  3. Step 3: Cross multiply
    401,071.04x = 601,201.52 × 251,416.23
  4. Step 4: Simplify right side
    401,071.04x = 151,151,818,043.67
  5. Step 5: Solve for x
    x = 151,151,818,043.67/401,071.04
  6. Step 6: Final answer
    x = 376,870.43

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1.5x scale

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.