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Finding the Fourth Proportional to 312,601.92, 466,780.80 and 248,707.32

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Solution

The fourth proportional to 312,601.92, 466,780.80 and 248,707.32 is: 371,372.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,601.92 : 466,780.80 = 248,707.32 : x
  2. Step 2: Convert to fraction form
    312,601.92/466,780.80 = 248,707.32/x
  3. Step 3: Cross multiply
    312,601.92x = 466,780.80 × 248,707.32
  4. Step 4: Simplify right side
    312,601.92x = 116,091,801,795.46
  5. Step 5: Solve for x
    x = 116,091,801,795.46/312,601.92
  6. Step 6: Final answer
    x = 371,372.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.