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Finding the Fourth Proportional to 671,300.93, 926,399.14 and 365,376.58

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Solution

The fourth proportional to 671,300.93, 926,399.14 and 365,376.58 is: 504,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,300.93 : 926,399.14 = 365,376.58 : x
  2. Step 2: Convert to fraction form
    671,300.93/926,399.14 = 365,376.58/x
  3. Step 3: Cross multiply
    671,300.93x = 926,399.14 × 365,376.58
  4. Step 4: Simplify right side
    671,300.93x = 338,484,549,488.14
  5. Step 5: Solve for x
    x = 338,484,549,488.14/671,300.93
  6. Step 6: Final answer
    x = 504,221.78

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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.