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Finding the Fourth Proportional to 623,957.66, 861,060.81 and 337,477.06

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Solution

The fourth proportional to 623,957.66, 861,060.81 and 337,477.06 is: 465,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,957.66 : 861,060.81 = 337,477.06 : x
  2. Step 2: Convert to fraction form
    623,957.66/861,060.81 = 337,477.06/x
  3. Step 3: Cross multiply
    623,957.66x = 861,060.81 × 337,477.06
  4. Step 4: Simplify right side
    623,957.66x = 290,588,272,981.88
  5. Step 5: Solve for x
    x = 290,588,272,981.88/623,957.66
  6. Step 6: Final answer
    x = 465,717.94

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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.