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Finding the Fourth Proportional to 594,451.84, 820,343.55 and 339,808.50

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Solution

The fourth proportional to 594,451.84, 820,343.55 and 339,808.50 is: 468,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,451.84 : 820,343.55 = 339,808.50 : x
  2. Step 2: Convert to fraction form
    594,451.84/820,343.55 = 339,808.50/x
  3. Step 3: Cross multiply
    594,451.84x = 820,343.55 × 339,808.50
  4. Step 4: Simplify right side
    594,451.84x = 278,759,711,210.18
  5. Step 5: Solve for x
    x = 278,759,711,210.18/594,451.84
  6. Step 6: Final answer
    x = 468,935.74

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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.