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Finding the Fourth Proportional to 518,574, 777,992.22 and 144,597

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Solution

The fourth proportional to 518,574, 777,992.22 and 144,597 is: 216,932.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,574 : 777,992.22 = 144,597 : x
  2. Step 2: Convert to fraction form
    518,574/777,992.22 = 144,597/x
  3. Step 3: Cross multiply
    518,574x = 777,992.22 × 144,597
  4. Step 4: Simplify right side
    518,574x = 112,495,341,035.34
  5. Step 5: Solve for x
    x = 112,495,341,035.34/518,574
  6. Step 6: Final answer
    x = 216,932.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.