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Finding the Fourth Proportional to 623,953.81, 861,056.34 and 337,473.89

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Solution

The fourth proportional to 623,953.81, 861,056.34 and 337,473.89 is: 465,714.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,953.81 : 861,056.34 = 337,473.89 : x
  2. Step 2: Convert to fraction form
    623,953.81/861,056.34 = 337,473.89/x
  3. Step 3: Cross multiply
    623,953.81x = 861,056.34 × 337,473.89
  4. Step 4: Simplify right side
    623,953.81x = 290,584,032,568.96
  5. Step 5: Solve for x
    x = 290,584,032,568.96/623,953.81
  6. Step 6: Final answer
    x = 465,714.01

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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.