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Finding the Fourth Proportional to 594,918.52, 820,613.64 and 353,029.84

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Solution

The fourth proportional to 594,918.52, 820,613.64 and 353,029.84 is: 486,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,918.52 : 820,613.64 = 353,029.84 : x
  2. Step 2: Convert to fraction form
    594,918.52/820,613.64 = 353,029.84/x
  3. Step 3: Cross multiply
    594,918.52x = 820,613.64 × 353,029.84
  4. Step 4: Simplify right side
    594,918.52x = 289,701,102,031.02
  5. Step 5: Solve for x
    x = 289,701,102,031.02/594,918.52
  6. Step 6: Final answer
    x = 486,959.29

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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.