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Finding the Fourth Proportional to 519,019.16, 716,245.26 and 292,663.04

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Solution

The fourth proportional to 519,019.16, 716,245.26 and 292,663.04 is: 403,874.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,019.16 : 716,245.26 = 292,663.04 : x
  2. Step 2: Convert to fraction form
    519,019.16/716,245.26 = 292,663.04/x
  3. Step 3: Cross multiply
    519,019.16x = 716,245.26 × 292,663.04
  4. Step 4: Simplify right side
    519,019.16x = 209,618,511,595.96
  5. Step 5: Solve for x
    x = 209,618,511,595.96/519,019.16
  6. Step 6: Final answer
    x = 403,874.33

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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.