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Finding the Fourth Proportional to 519,326.64, 716,704.20 and 292,967.28

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Solution

The fourth proportional to 519,326.64, 716,704.20 and 292,967.28 is: 404,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,326.64 : 716,704.20 = 292,967.28 : x
  2. Step 2: Convert to fraction form
    519,326.64/716,704.20 = 292,967.28/x
  3. Step 3: Cross multiply
    519,326.64x = 716,704.20 × 292,967.28
  4. Step 4: Simplify right side
    519,326.64x = 209,970,880,038.58
  5. Step 5: Solve for x
    x = 209,970,880,038.58/519,326.64
  6. Step 6: Final answer
    x = 404,313.71

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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.