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Finding the Fourth Proportional to 319,197.50, 478,866.22 and 94,575.58

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Solution

The fourth proportional to 319,197.50, 478,866.22 and 94,575.58 is: 141,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,197.50 : 478,866.22 = 94,575.58 : x
  2. Step 2: Convert to fraction form
    319,197.50/478,866.22 = 94,575.58/x
  3. Step 3: Cross multiply
    319,197.50x = 478,866.22 × 94,575.58
  4. Step 4: Simplify right side
    319,197.50x = 45,289,050,498.91
  5. Step 5: Solve for x
    x = 45,289,050,498.91/319,197.50
  6. Step 6: Final answer
    x = 141,884.10

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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.