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Finding the Fourth Proportional to 317,185.47, 437,728.59 and 173,950.74

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Solution

The fourth proportional to 317,185.47, 437,728.59 and 173,950.74 is: 240,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,185.47 : 437,728.59 = 173,950.74 : x
  2. Step 2: Convert to fraction form
    317,185.47/437,728.59 = 173,950.74/x
  3. Step 3: Cross multiply
    317,185.47x = 437,728.59 × 173,950.74
  4. Step 4: Simplify right side
    317,185.47x = 76,143,212,149.66
  5. Step 5: Solve for x
    x = 76,143,212,149.66/317,185.47
  6. Step 6: Final answer
    x = 240,058.95

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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.