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Finding the Fourth Proportional to 316,263.18, 436,473.23 and 173,044.74

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Solution

The fourth proportional to 316,263.18, 436,473.23 and 173,044.74 is: 238,818.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,263.18 : 436,473.23 = 173,044.74 : x
  2. Step 2: Convert to fraction form
    316,263.18/436,473.23 = 173,044.74/x
  3. Step 3: Cross multiply
    316,263.18x = 436,473.23 × 173,044.74
  4. Step 4: Simplify right side
    316,263.18x = 75,529,395,737.09
  5. Step 5: Solve for x
    x = 75,529,395,737.09/316,263.18
  6. Step 6: Final answer
    x = 238,818.18

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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.