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Finding the Fourth Proportional to 316,497.83, 436,767.74 and 173,267.10

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Solution

The fourth proportional to 316,497.83, 436,767.74 and 173,267.10 is: 239,109.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,497.83 : 436,767.74 = 173,267.10 : x
  2. Step 2: Convert to fraction form
    316,497.83/436,767.74 = 173,267.10/x
  3. Step 3: Cross multiply
    316,497.83x = 436,767.74 × 173,267.10
  4. Step 4: Simplify right side
    316,497.83x = 75,677,480,441.40
  5. Step 5: Solve for x
    x = 75,677,480,441.40/316,497.83
  6. Step 6: Final answer
    x = 239,109.00

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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.