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Finding the Fourth Proportional to 616,799.52, 851,292.24 and 358,756.32

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Solution

The fourth proportional to 616,799.52, 851,292.24 and 358,756.32 is: 495,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,799.52 : 851,292.24 = 358,756.32 : x
  2. Step 2: Convert to fraction form
    616,799.52/851,292.24 = 358,756.32/x
  3. Step 3: Cross multiply
    616,799.52x = 851,292.24 × 358,756.32
  4. Step 4: Simplify right side
    616,799.52x = 305,406,471,266.96
  5. Step 5: Solve for x
    x = 305,406,471,266.96/616,799.52
  6. Step 6: Final answer
    x = 495,147.06

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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.