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Finding the Fourth Proportional to 603,132.39, 832,342.10 and 348,483.51

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Solution

The fourth proportional to 603,132.39, 832,342.10 and 348,483.51 is: 480,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,132.39 : 832,342.10 = 348,483.51 : x
  2. Step 2: Convert to fraction form
    603,132.39/832,342.10 = 348,483.51/x
  3. Step 3: Cross multiply
    603,132.39x = 832,342.10 × 348,483.51
  4. Step 4: Simplify right side
    603,132.39x = 290,057,494,786.35
  5. Step 5: Solve for x
    x = 290,057,494,786.35/603,132.39
  6. Step 6: Final answer
    x = 480,918.45

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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.