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Finding the Fourth Proportional to 594,918.48, 820,712.86 and 353,063.62

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Solution

The fourth proportional to 594,918.48, 820,712.86 and 353,063.62 is: 487,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,918.48 : 820,712.86 = 353,063.62 : x
  2. Step 2: Convert to fraction form
    594,918.48/820,712.86 = 353,063.62/x
  3. Step 3: Cross multiply
    594,918.48x = 820,712.86 × 353,063.62
  4. Step 4: Simplify right side
    594,918.48x = 289,763,853,332.15
  5. Step 5: Solve for x
    x = 289,763,853,332.15/594,918.48
  6. Step 6: Final answer
    x = 487,064.80

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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.