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Finding the Fourth Proportional to 603,440.17, 832,654.86 and 348,742.17

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Solution

The fourth proportional to 603,440.17, 832,654.86 and 348,742.17 is: 481,210.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,440.17 : 832,654.86 = 348,742.17 : x
  2. Step 2: Convert to fraction form
    603,440.17/832,654.86 = 348,742.17/x
  3. Step 3: Cross multiply
    603,440.17x = 832,654.86 × 348,742.17
  4. Step 4: Simplify right side
    603,440.17x = 290,381,862,737.45
  5. Step 5: Solve for x
    x = 290,381,862,737.45/603,440.17
  6. Step 6: Final answer
    x = 481,210.69

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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.