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Finding the Fourth Proportional to 626,160.41, 864,103.53 and 339,682.54

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Solution

The fourth proportional to 626,160.41, 864,103.53 and 339,682.54 is: 468,763.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,160.41 : 864,103.53 = 339,682.54 : x
  2. Step 2: Convert to fraction form
    626,160.41/864,103.53 = 339,682.54/x
  3. Step 3: Cross multiply
    626,160.41x = 864,103.53 × 339,682.54
  4. Step 4: Simplify right side
    626,160.41x = 293,520,881,893.37
  5. Step 5: Solve for x
    x = 293,520,881,893.37/626,160.41
  6. Step 6: Final answer
    x = 468,763.08

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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.