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Finding the Fourth Proportional to 570,206.52, 853,605.68 and 344,885.45

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Solution

The fourth proportional to 570,206.52, 853,605.68 and 344,885.45 is: 516,297.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,206.52 : 853,605.68 = 344,885.45 : x
  2. Step 2: Convert to fraction form
    570,206.52/853,605.68 = 344,885.45/x
  3. Step 3: Cross multiply
    570,206.52x = 853,605.68 × 344,885.45
  4. Step 4: Simplify right side
    570,206.52x = 294,396,173,076.90
  5. Step 5: Solve for x
    x = 294,396,173,076.90/570,206.52
  6. Step 6: Final answer
    x = 516,297.45

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1.5x scale

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.