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Finding the Fourth Proportional to 517,934.70, 714,860.19 and 348,070.41

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Solution

The fourth proportional to 517,934.70, 714,860.19 and 348,070.41 is: 480,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,934.70 : 714,860.19 = 348,070.41 : x
  2. Step 2: Convert to fraction form
    517,934.70/714,860.19 = 348,070.41/x
  3. Step 3: Cross multiply
    517,934.70x = 714,860.19 × 348,070.41
  4. Step 4: Simplify right side
    517,934.70x = 248,821,679,425.98
  5. Step 5: Solve for x
    x = 248,821,679,425.98/517,934.70
  6. Step 6: Final answer
    x = 480,411.29

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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.