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Finding the Fourth Proportional to 519,233.02, 716,541.18 and 292,878.52

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Solution

The fourth proportional to 519,233.02, 716,541.18 and 292,878.52 is: 404,172.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,233.02 : 716,541.18 = 292,878.52 : x
  2. Step 2: Convert to fraction form
    519,233.02/716,541.18 = 292,878.52/x
  3. Step 3: Cross multiply
    519,233.02x = 716,541.18 × 292,878.52
  4. Step 4: Simplify right side
    519,233.02x = 209,859,520,317.45
  5. Step 5: Solve for x
    x = 209,859,520,317.45/519,233.02
  6. Step 6: Final answer
    x = 404,172.14

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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.