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Finding the Fourth Proportional to 594,042.20, 891,063.30 and 328,321.70

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Solution

The fourth proportional to 594,042.20, 891,063.30 and 328,321.70 is: 492,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,042.20 : 891,063.30 = 328,321.70 : x
  2. Step 2: Convert to fraction form
    594,042.20/891,063.30 = 328,321.70/x
  3. Step 3: Cross multiply
    594,042.20x = 891,063.30 × 328,321.70
  4. Step 4: Simplify right side
    594,042.20x = 292,555,417,463.61
  5. Step 5: Solve for x
    x = 292,555,417,463.61/594,042.20
  6. Step 6: Final answer
    x = 492,482.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.