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Finding the Fourth Proportional to 572,314.40, 857,327.06 and 344,484.89

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Solution

The fourth proportional to 572,314.40, 857,327.06 and 344,484.89 is: 516,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,314.40 : 857,327.06 = 344,484.89 : x
  2. Step 2: Convert to fraction form
    572,314.40/857,327.06 = 344,484.89/x
  3. Step 3: Cross multiply
    572,314.40x = 857,327.06 × 344,484.89
  4. Step 4: Simplify right side
    572,314.40x = 295,336,217,958.12
  5. Step 5: Solve for x
    x = 295,336,217,958.12/572,314.40
  6. Step 6: Final answer
    x = 516,038.42

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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.