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Finding the Fourth Proportional to 605,011.38, 834,902.55 and 333,068.87

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Solution

The fourth proportional to 605,011.38, 834,902.55 and 333,068.87 is: 459,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,011.38 : 834,902.55 = 333,068.87 : x
  2. Step 2: Convert to fraction form
    605,011.38/834,902.55 = 333,068.87/x
  3. Step 3: Cross multiply
    605,011.38x = 834,902.55 × 333,068.87
  4. Step 4: Simplify right side
    605,011.38x = 278,080,044,714.11
  5. Step 5: Solve for x
    x = 278,080,044,714.11/605,011.38
  6. Step 6: Final answer
    x = 459,627.79

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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.