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Finding the Fourth Proportional to 884,885.10, 1,327,327.65 and 379,360.05

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Solution

The fourth proportional to 884,885.10, 1,327,327.65 and 379,360.05 is: 569,040.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,885.10 : 1,327,327.65 = 379,360.05 : x
  2. Step 2: Convert to fraction form
    884,885.10/1,327,327.65 = 379,360.05/x
  3. Step 3: Cross multiply
    884,885.10x = 1,327,327.65 × 379,360.05
  4. Step 4: Simplify right side
    884,885.10x = 503,535,083,670.38
  5. Step 5: Solve for x
    x = 503,535,083,670.38/884,885.10
  6. Step 6: Final answer
    x = 569,040.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.