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Finding the Fourth Proportional to 404,754.74, 607,026.24 and 120,368.64

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Solution

The fourth proportional to 404,754.74, 607,026.24 and 120,368.64 is: 180,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,754.74 : 607,026.24 = 120,368.64 : x
  2. Step 2: Convert to fraction form
    404,754.74/607,026.24 = 120,368.64/x
  3. Step 3: Cross multiply
    404,754.74x = 607,026.24 × 120,368.64
  4. Step 4: Simplify right side
    404,754.74x = 73,066,922,953.11
  5. Step 5: Solve for x
    x = 73,066,922,953.11/404,754.74
  6. Step 6: Final answer
    x = 180,521.48

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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.