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Finding the Fourth Proportional to 570,123.15, 853,480.98 and 344,802

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Solution

The fourth proportional to 570,123.15, 853,480.98 and 344,802 is: 516,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,123.15 : 853,480.98 = 344,802 : x
  2. Step 2: Convert to fraction form
    570,123.15/853,480.98 = 344,802/x
  3. Step 3: Cross multiply
    570,123.15x = 853,480.98 × 344,802
  4. Step 4: Simplify right side
    570,123.15x = 294,281,948,865.96
  5. Step 5: Solve for x
    x = 294,281,948,865.96/570,123.15
  6. Step 6: Final answer
    x = 516,172.60

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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.