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Finding the Fourth Proportional to 269,562.60, 404,343.90 and 265,415.40

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Solution

The fourth proportional to 269,562.60, 404,343.90 and 265,415.40 is: 398,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,562.60 : 404,343.90 = 265,415.40 : x
  2. Step 2: Convert to fraction form
    269,562.60/404,343.90 = 265,415.40/x
  3. Step 3: Cross multiply
    269,562.60x = 404,343.90 × 265,415.40
  4. Step 4: Simplify right side
    269,562.60x = 107,319,097,956.06
  5. Step 5: Solve for x
    x = 107,319,097,956.06/269,562.60
  6. Step 6: Final answer
    x = 398,123.10

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1.5x scale

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.