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Finding the Fourth Proportional to 519,034.56, 716,267.82 and 292,680.12

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Solution

The fourth proportional to 519,034.56, 716,267.82 and 292,680.12 is: 403,898.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,034.56 : 716,267.82 = 292,680.12 : x
  2. Step 2: Convert to fraction form
    519,034.56/716,267.82 = 292,680.12/x
  3. Step 3: Cross multiply
    519,034.56x = 716,267.82 × 292,680.12
  4. Step 4: Simplify right side
    519,034.56x = 209,637,351,509.74
  5. Step 5: Solve for x
    x = 209,637,351,509.74/519,034.56
  6. Step 6: Final answer
    x = 403,898.64

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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.