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Finding the Fourth Proportional to 319,014.60, 478,592 and 94,357.56

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Solution

The fourth proportional to 319,014.60, 478,592 and 94,357.56 is: 141,557.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,014.60 : 478,592 = 94,357.56 : x
  2. Step 2: Convert to fraction form
    319,014.60/478,592 = 94,357.56/x
  3. Step 3: Cross multiply
    319,014.60x = 478,592 × 94,357.56
  4. Step 4: Simplify right side
    319,014.60x = 45,158,773,355.52
  5. Step 5: Solve for x
    x = 45,158,773,355.52/319,014.60
  6. Step 6: Final answer
    x = 141,557.07

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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.