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Finding the Fourth Proportional to 404,733.51, 607,043.16 and 254,515.77

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Solution

The fourth proportional to 404,733.51, 607,043.16 and 254,515.77 is: 381,737.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,733.51 : 607,043.16 = 254,515.77 : x
  2. Step 2: Convert to fraction form
    404,733.51/607,043.16 = 254,515.77/x
  3. Step 3: Cross multiply
    404,733.51x = 607,043.16 × 254,515.77
  4. Step 4: Simplify right side
    404,733.51x = 154,502,057,290.63
  5. Step 5: Solve for x
    x = 154,502,057,290.63/404,733.51
  6. Step 6: Final answer
    x = 381,737.74

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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.