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Finding the Fourth Proportional to 594,661.48, 820,633.40 and 322,729.42

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Solution

The fourth proportional to 594,661.48, 820,633.40 and 322,729.42 is: 445,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,661.48 : 820,633.40 = 322,729.42 : x
  2. Step 2: Convert to fraction form
    594,661.48/820,633.40 = 322,729.42/x
  3. Step 3: Cross multiply
    594,661.48x = 820,633.40 × 322,729.42
  4. Step 4: Simplify right side
    594,661.48x = 264,842,541,214.63
  5. Step 5: Solve for x
    x = 264,842,541,214.63/594,661.48
  6. Step 6: Final answer
    x = 445,366.90

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1.5x scale

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.