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Finding the Fourth Proportional to 319,578.63, 441,003.74 and 183,516.87

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Solution

The fourth proportional to 319,578.63, 441,003.74 and 183,516.87 is: 253,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,578.63 : 441,003.74 = 183,516.87 : x
  2. Step 2: Convert to fraction form
    319,578.63/441,003.74 = 183,516.87/x
  3. Step 3: Cross multiply
    319,578.63x = 441,003.74 × 183,516.87
  4. Step 4: Simplify right side
    319,578.63x = 80,931,625,105.51
  5. Step 5: Solve for x
    x = 80,931,625,105.51/319,578.63
  6. Step 6: Final answer
    x = 253,244.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.