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Finding the Fourth Proportional to 519,025.56, 716,255.40 and 292,671.12

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Solution

The fourth proportional to 519,025.56, 716,255.40 and 292,671.12 is: 403,886.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,025.56 : 716,255.40 = 292,671.12 : x
  2. Step 2: Convert to fraction form
    519,025.56/716,255.40 = 292,671.12/x
  3. Step 3: Cross multiply
    519,025.56x = 716,255.40 × 292,671.12
  4. Step 4: Simplify right side
    519,025.56x = 209,627,270,124.05
  5. Step 5: Solve for x
    x = 209,627,270,124.05/519,025.56
  6. Step 6: Final answer
    x = 403,886.22

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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.