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Finding the Fourth Proportional to 671,696.96, 926,758.14 and 467,518.64

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Solution

The fourth proportional to 671,696.96, 926,758.14 and 467,518.64 is: 645,047.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,696.96 : 926,758.14 = 467,518.64 : x
  2. Step 2: Convert to fraction form
    671,696.96/926,758.14 = 467,518.64/x
  3. Step 3: Cross multiply
    671,696.96x = 926,758.14 × 467,518.64
  4. Step 4: Simplify right side
    671,696.96x = 433,276,705,221.73
  5. Step 5: Solve for x
    x = 433,276,705,221.73/671,696.96
  6. Step 6: Final answer
    x = 645,047.89

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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.