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Finding the Fourth Proportional to 570,248.16, 853,668 and 344,926.72

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Solution

The fourth proportional to 570,248.16, 853,668 and 344,926.72 is: 516,359.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,248.16 : 853,668 = 344,926.72 : x
  2. Step 2: Convert to fraction form
    570,248.16/853,668 = 344,926.72/x
  3. Step 3: Cross multiply
    570,248.16x = 853,668 × 344,926.72
  4. Step 4: Simplify right side
    570,248.16x = 294,452,903,208.96
  5. Step 5: Solve for x
    x = 294,452,903,208.96/570,248.16
  6. Step 6: Final answer
    x = 516,359.23

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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.