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Finding the Fourth Proportional to 603,127.89, 832,257.59 and 348,473.61

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Solution

The fourth proportional to 603,127.89, 832,257.59 and 348,473.61 is: 480,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,127.89 : 832,257.59 = 348,473.61 : x
  2. Step 2: Convert to fraction form
    603,127.89/832,257.59 = 348,473.61/x
  3. Step 3: Cross multiply
    603,127.89x = 832,257.59 × 348,473.61
  4. Step 4: Simplify right side
    603,127.89x = 290,019,805,094.83
  5. Step 5: Solve for x
    x = 290,019,805,094.83/603,127.89
  6. Step 6: Final answer
    x = 480,859.55

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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.