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Finding the Fourth Proportional to 319,007.35, 478,510.96 and 94,350.27

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Solution

The fourth proportional to 319,007.35, 478,510.96 and 94,350.27 is: 141,525.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,007.35 : 478,510.96 = 94,350.27 : x
  2. Step 2: Convert to fraction form
    319,007.35/478,510.96 = 94,350.27/x
  3. Step 3: Cross multiply
    319,007.35x = 478,510.96 × 94,350.27
  4. Step 4: Simplify right side
    319,007.35x = 45,147,638,273.96
  5. Step 5: Solve for x
    x = 45,147,638,273.96/319,007.35
  6. Step 6: Final answer
    x = 141,525.39

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1.5x scale

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.