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Finding the Fourth Proportional to 555,326.08, 832,981.74 and 134,605.60

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Solution

The fourth proportional to 555,326.08, 832,981.74 and 134,605.60 is: 201,906.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,326.08 : 832,981.74 = 134,605.60 : x
  2. Step 2: Convert to fraction form
    555,326.08/832,981.74 = 134,605.60/x
  3. Step 3: Cross multiply
    555,326.08x = 832,981.74 × 134,605.60
  4. Step 4: Simplify right side
    555,326.08x = 112,124,006,901.74
  5. Step 5: Solve for x
    x = 112,124,006,901.74/555,326.08
  6. Step 6: Final answer
    x = 201,906.61

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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.