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Finding the Fourth Proportional to 517,932.64, 714,857.33 and 348,068.35

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Solution

The fourth proportional to 517,932.64, 714,857.33 and 348,068.35 is: 480,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,932.64 : 714,857.33 = 348,068.35 : x
  2. Step 2: Convert to fraction form
    517,932.64/714,857.33 = 348,068.35/x
  3. Step 3: Cross multiply
    517,932.64x = 714,857.33 × 348,068.35
  4. Step 4: Simplify right side
    517,932.64x = 248,819,207,811.02
  5. Step 5: Solve for x
    x = 248,819,207,811.02/517,932.64
  6. Step 6: Final answer
    x = 480,408.43

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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.