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Finding the Fourth Proportional to 616,800.52, 851,293.62 and 358,757.32

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Solution

The fourth proportional to 616,800.52, 851,293.62 and 358,757.32 is: 495,148.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,800.52 : 851,293.62 = 358,757.32 : x
  2. Step 2: Convert to fraction form
    616,800.52/851,293.62 = 358,757.32/x
  3. Step 3: Cross multiply
    616,800.52x = 851,293.62 × 358,757.32
  4. Step 4: Simplify right side
    616,800.52x = 305,407,817,644.30
  5. Step 5: Solve for x
    x = 305,407,817,644.30/616,800.52
  6. Step 6: Final answer
    x = 495,148.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.