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Finding the Fourth Proportional to 710,885.40, 1,066,327.92 and 284,613

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Solution

The fourth proportional to 710,885.40, 1,066,327.92 and 284,613 is: 426,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,885.40 : 1,066,327.92 = 284,613 : x
  2. Step 2: Convert to fraction form
    710,885.40/1,066,327.92 = 284,613/x
  3. Step 3: Cross multiply
    710,885.40x = 1,066,327.92 × 284,613
  4. Step 4: Simplify right side
    710,885.40x = 303,490,788,294.96
  5. Step 5: Solve for x
    x = 303,490,788,294.96/710,885.40
  6. Step 6: Final answer
    x = 426,919.43

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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.