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Finding the Fourth Proportional to 319,195.49, 478,863.21 and 94,573.58

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Solution

The fourth proportional to 319,195.49, 478,863.21 and 94,573.58 is: 141,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,195.49 : 478,863.21 = 94,573.58 : x
  2. Step 2: Convert to fraction form
    319,195.49/478,863.21 = 94,573.58/x
  3. Step 3: Cross multiply
    319,195.49x = 478,863.21 × 94,573.58
  4. Step 4: Simplify right side
    319,195.49x = 45,287,808,099.99
  5. Step 5: Solve for x
    x = 45,287,808,099.99/319,195.49
  6. Step 6: Final answer
    x = 141,881.10

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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.