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Finding the Fourth Proportional to 570,222.36, 855,523.44 and 191,180.52

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Solution

The fourth proportional to 570,222.36, 855,523.44 and 191,180.52 is: 286,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,222.36 : 855,523.44 = 191,180.52 : x
  2. Step 2: Convert to fraction form
    570,222.36/855,523.44 = 191,180.52/x
  3. Step 3: Cross multiply
    570,222.36x = 855,523.44 × 191,180.52
  4. Step 4: Simplify right side
    570,222.36x = 163,559,416,131.39
  5. Step 5: Solve for x
    x = 163,559,416,131.39/570,222.36
  6. Step 6: Final answer
    x = 286,834.45

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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.