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Finding the Fourth Proportional to 519,929.88, 717,380.24 and 302,009.10

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Solution

The fourth proportional to 519,929.88, 717,380.24 and 302,009.10 is: 416,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,929.88 : 717,380.24 = 302,009.10 : x
  2. Step 2: Convert to fraction form
    519,929.88/717,380.24 = 302,009.10/x
  3. Step 3: Cross multiply
    519,929.88x = 717,380.24 × 302,009.10
  4. Step 4: Simplify right side
    519,929.88x = 216,655,360,640.18
  5. Step 5: Solve for x
    x = 216,655,360,640.18/519,929.88
  6. Step 6: Final answer
    x = 416,701.11

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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.