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Finding the Fourth Proportional to 570,191.52, 854,470.80 and 320,348.64

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Solution

The fourth proportional to 570,191.52, 854,470.80 and 320,348.64 is: 480,064.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,191.52 : 854,470.80 = 320,348.64 : x
  2. Step 2: Convert to fraction form
    570,191.52/854,470.80 = 320,348.64/x
  3. Step 3: Cross multiply
    570,191.52x = 854,470.80 × 320,348.64
  4. Step 4: Simplify right side
    570,191.52x = 273,728,558,699.71
  5. Step 5: Solve for x
    x = 273,728,558,699.71/570,191.52
  6. Step 6: Final answer
    x = 480,064.24

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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.