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Finding the Fourth Proportional to 317,285.98, 475,930.59 and 106,925.74

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Solution

The fourth proportional to 317,285.98, 475,930.59 and 106,925.74 is: 160,389.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,285.98 : 475,930.59 = 106,925.74 : x
  2. Step 2: Convert to fraction form
    317,285.98/475,930.59 = 106,925.74/x
  3. Step 3: Cross multiply
    317,285.98x = 475,930.59 × 106,925.74
  4. Step 4: Simplify right side
    317,285.98x = 50,889,230,524.39
  5. Step 5: Solve for x
    x = 50,889,230,524.39/317,285.98
  6. Step 6: Final answer
    x = 160,389.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.