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Finding the Fourth Proportional to 594,722.79, 820,695.49 and 322,784.84

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Solution

The fourth proportional to 594,722.79, 820,695.49 and 322,784.84 is: 445,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,722.79 : 820,695.49 = 322,784.84 : x
  2. Step 2: Convert to fraction form
    594,722.79/820,695.49 = 322,784.84/x
  3. Step 3: Cross multiply
    594,722.79x = 820,695.49 × 322,784.84
  4. Step 4: Simplify right side
    594,722.79x = 264,908,063,673.15
  5. Step 5: Solve for x
    x = 264,908,063,673.15/594,722.79
  6. Step 6: Final answer
    x = 445,431.16

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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.