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Finding the Fourth Proportional to 570,245.16, 853,663.50 and 344,923.72

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Solution

The fourth proportional to 570,245.16, 853,663.50 and 344,923.72 is: 516,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,245.16 : 853,663.50 = 344,923.72 : x
  2. Step 2: Convert to fraction form
    570,245.16/853,663.50 = 344,923.72/x
  3. Step 3: Cross multiply
    570,245.16x = 853,663.50 × 344,923.72
  4. Step 4: Simplify right side
    570,245.16x = 294,448,790,048.22
  5. Step 5: Solve for x
    x = 294,448,790,048.22/570,245.16
  6. Step 6: Final answer
    x = 516,354.74

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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.