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Finding the Fourth Proportional to 371,336.44, 512,300.74 and 210,154.52

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Solution

The fourth proportional to 371,336.44, 512,300.74 and 210,154.52 is: 289,932.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,336.44 : 512,300.74 = 210,154.52 : x
  2. Step 2: Convert to fraction form
    371,336.44/512,300.74 = 210,154.52/x
  3. Step 3: Cross multiply
    371,336.44x = 512,300.74 × 210,154.52
  4. Step 4: Simplify right side
    371,336.44x = 107,662,316,110.35
  5. Step 5: Solve for x
    x = 107,662,316,110.35/371,336.44
  6. Step 6: Final answer
    x = 289,932.00

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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.