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Finding the Fourth Proportional to 675,587.36, 932,135.64 and 403,544

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Solution

The fourth proportional to 675,587.36, 932,135.64 and 403,544 is: 556,786.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,587.36 : 932,135.64 = 403,544 : x
  2. Step 2: Convert to fraction form
    675,587.36/932,135.64 = 403,544/x
  3. Step 3: Cross multiply
    675,587.36x = 932,135.64 × 403,544
  4. Step 4: Simplify right side
    675,587.36x = 376,157,744,708.16
  5. Step 5: Solve for x
    x = 376,157,744,708.16/675,587.36
  6. Step 6: Final answer
    x = 556,786.24

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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.