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Finding the Fourth Proportional to 613,008.72, 845,956.08 and 341,088

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Solution

The fourth proportional to 613,008.72, 845,956.08 and 341,088 is: 470,703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,008.72 : 845,956.08 = 341,088 : x
  2. Step 2: Convert to fraction form
    613,008.72/845,956.08 = 341,088/x
  3. Step 3: Cross multiply
    613,008.72x = 845,956.08 × 341,088
  4. Step 4: Simplify right side
    613,008.72x = 288,545,467,415.04
  5. Step 5: Solve for x
    x = 288,545,467,415.04/613,008.72
  6. Step 6: Final answer
    x = 470,703.69

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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.