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Finding the Fourth Proportional to 519,060, 716,346.60 and 292,749.24

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Solution

The fourth proportional to 519,060, 716,346.60 and 292,749.24 is: 404,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,060 : 716,346.60 = 292,749.24 : x
  2. Step 2: Convert to fraction form
    519,060/716,346.60 = 292,749.24/x
  3. Step 3: Cross multiply
    519,060x = 716,346.60 × 292,749.24
  4. Step 4: Simplify right side
    519,060x = 209,709,922,726.58
  5. Step 5: Solve for x
    x = 209,709,922,726.58/519,060
  6. Step 6: Final answer
    x = 404,018.65

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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.