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Finding the Fourth Proportional to 337,065.61, 505,599.80 and 84,345.41

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Solution

The fourth proportional to 337,065.61, 505,599.80 and 84,345.41 is: 126,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,065.61 : 505,599.80 = 84,345.41 : x
  2. Step 2: Convert to fraction form
    337,065.61/505,599.80 = 84,345.41/x
  3. Step 3: Cross multiply
    337,065.61x = 505,599.80 × 84,345.41
  4. Step 4: Simplify right side
    337,065.61x = 42,645,019,477.19
  5. Step 5: Solve for x
    x = 42,645,019,477.19/337,065.61
  6. Step 6: Final answer
    x = 126,518.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.