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Finding the Fourth Proportional to 317,071.94, 437,559.17 and 173,828.91

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Solution

The fourth proportional to 317,071.94, 437,559.17 and 173,828.91 is: 239,883.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,071.94 : 437,559.17 = 173,828.91 : x
  2. Step 2: Convert to fraction form
    317,071.94/437,559.17 = 173,828.91/x
  3. Step 3: Cross multiply
    317,071.94x = 437,559.17 × 173,828.91
  4. Step 4: Simplify right side
    317,071.94x = 76,060,432,712.46
  5. Step 5: Solve for x
    x = 76,060,432,712.46/317,071.94
  6. Step 6: Final answer
    x = 239,883.84

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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.