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Finding the Fourth Proportional to 626,159.91, 864,102.84 and 339,682.04

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Solution

The fourth proportional to 626,159.91, 864,102.84 and 339,682.04 is: 468,762.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,159.91 : 864,102.84 = 339,682.04 : x
  2. Step 2: Convert to fraction form
    626,159.91/864,102.84 = 339,682.04/x
  3. Step 3: Cross multiply
    626,159.91x = 864,102.84 × 339,682.04
  4. Step 4: Simplify right side
    626,159.91x = 293,520,215,460.99
  5. Step 5: Solve for x
    x = 293,520,215,460.99/626,159.91
  6. Step 6: Final answer
    x = 468,762.39

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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.