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Finding the Fourth Proportional to 671,412.30, 926,549.07 and 365,491.01

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Solution

The fourth proportional to 671,412.30, 926,549.07 and 365,491.01 is: 504,377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,412.30 : 926,549.07 = 365,491.01 : x
  2. Step 2: Convert to fraction form
    671,412.30/926,549.07 = 365,491.01/x
  3. Step 3: Cross multiply
    671,412.30x = 926,549.07 × 365,491.01
  4. Step 4: Simplify right side
    671,412.30x = 338,645,350,776.12
  5. Step 5: Solve for x
    x = 338,645,350,776.12/671,412.30
  6. Step 6: Final answer
    x = 504,377.64

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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.