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Finding the Fourth Proportional to 594,709.81, 820,326.24 and 352,821.13

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Solution

The fourth proportional to 594,709.81, 820,326.24 and 352,821.13 is: 486,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,709.81 : 820,326.24 = 352,821.13 : x
  2. Step 2: Convert to fraction form
    594,709.81/820,326.24 = 352,821.13/x
  3. Step 3: Cross multiply
    594,709.81x = 820,326.24 × 352,821.13
  4. Step 4: Simplify right side
    594,709.81x = 289,428,430,965.45
  5. Step 5: Solve for x
    x = 289,428,430,965.45/594,709.81
  6. Step 6: Final answer
    x = 486,671.69

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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.