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Finding the Fourth Proportional to 372,364.71, 513,847.94 and 202,599.51

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Solution

The fourth proportional to 372,364.71, 513,847.94 and 202,599.51 is: 279,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,364.71 : 513,847.94 = 202,599.51 : x
  2. Step 2: Convert to fraction form
    372,364.71/513,847.94 = 202,599.51/x
  3. Step 3: Cross multiply
    372,364.71x = 513,847.94 × 202,599.51
  4. Step 4: Simplify right side
    372,364.71x = 104,105,338,795.77
  5. Step 5: Solve for x
    x = 104,105,338,795.77/372,364.71
  6. Step 6: Final answer
    x = 279,578.96

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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.