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Finding the Fourth Proportional to 604,339.51, 906,410.75 and 177,775.58

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Solution

The fourth proportional to 604,339.51, 906,410.75 and 177,775.58 is: 266,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,339.51 : 906,410.75 = 177,775.58 : x
  2. Step 2: Convert to fraction form
    604,339.51/906,410.75 = 177,775.58/x
  3. Step 3: Cross multiply
    604,339.51x = 906,410.75 × 177,775.58
  4. Step 4: Simplify right side
    604,339.51x = 161,137,693,587.31
  5. Step 5: Solve for x
    x = 161,137,693,587.31/604,339.51
  6. Step 6: Final answer
    x = 266,634.38

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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.