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Finding the Fourth Proportional to 316,270.57, 436,458.31 and 173,033.01

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Solution

The fourth proportional to 316,270.57, 436,458.31 and 173,033.01 is: 238,788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,270.57 : 436,458.31 = 173,033.01 : x
  2. Step 2: Convert to fraction form
    316,270.57/436,458.31 = 173,033.01/x
  3. Step 3: Cross multiply
    316,270.57x = 436,458.31 × 173,033.01
  4. Step 4: Simplify right side
    316,270.57x = 75,521,692,071.36
  5. Step 5: Solve for x
    x = 75,521,692,071.36/316,270.57
  6. Step 6: Final answer
    x = 238,788.24

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1.5x scale

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.