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Finding the Fourth Proportional to 255,355.75, 380,019.16 and 246,841.79

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Solution

The fourth proportional to 255,355.75, 380,019.16 and 246,841.79 is: 367,348.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,355.75 : 380,019.16 = 246,841.79 : x
  2. Step 2: Convert to fraction form
    255,355.75/380,019.16 = 246,841.79/x
  3. Step 3: Cross multiply
    255,355.75x = 380,019.16 × 246,841.79
  4. Step 4: Simplify right side
    255,355.75x = 93,804,606,554.39
  5. Step 5: Solve for x
    x = 93,804,606,554.39/255,355.75
  6. Step 6: Final answer
    x = 367,348.72

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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.