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Finding the Fourth Proportional to 519,320.48, 716,695.44 and 292,883.36

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Solution

The fourth proportional to 519,320.48, 716,695.44 and 292,883.36 is: 404,197.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,320.48 : 716,695.44 = 292,883.36 : x
  2. Step 2: Convert to fraction form
    519,320.48/716,695.44 = 292,883.36/x
  3. Step 3: Cross multiply
    519,320.48x = 716,695.44 × 292,883.36
  4. Step 4: Simplify right side
    519,320.48x = 209,908,168,563.88
  5. Step 5: Solve for x
    x = 209,908,168,563.88/519,320.48
  6. Step 6: Final answer
    x = 404,197.75

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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.