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Finding the Fourth Proportional to 613,005.64, 845,873.49 and 341,009.26

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Solution

The fourth proportional to 613,005.64, 845,873.49 and 341,009.26 is: 470,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,005.64 : 845,873.49 = 341,009.26 : x
  2. Step 2: Convert to fraction form
    613,005.64/845,873.49 = 341,009.26/x
  3. Step 3: Cross multiply
    613,005.64x = 845,873.49 × 341,009.26
  4. Step 4: Simplify right side
    613,005.64x = 288,450,692,878.52
  5. Step 5: Solve for x
    x = 288,450,692,878.52/613,005.64
  6. Step 6: Final answer
    x = 470,551.45

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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.