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Finding the Fourth Proportional to 556,584.35, 768,087.88 and 301,935.54

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Solution

The fourth proportional to 556,584.35, 768,087.88 and 301,935.54 is: 416,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,584.35 : 768,087.88 = 301,935.54 : x
  2. Step 2: Convert to fraction form
    556,584.35/768,087.88 = 301,935.54/x
  3. Step 3: Cross multiply
    556,584.35x = 768,087.88 × 301,935.54
  4. Step 4: Simplify right side
    556,584.35x = 231,913,028,815.26
  5. Step 5: Solve for x
    x = 231,913,028,815.26/556,584.35
  6. Step 6: Final answer
    x = 416,671.85

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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.