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Finding the Fourth Proportional to 605,126.36, 834,705.96 and 372,590.72

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Solution

The fourth proportional to 605,126.36, 834,705.96 and 372,590.72 is: 513,948.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,126.36 : 834,705.96 = 372,590.72 : x
  2. Step 2: Convert to fraction form
    605,126.36/834,705.96 = 372,590.72/x
  3. Step 3: Cross multiply
    605,126.36x = 834,705.96 × 372,590.72
  4. Step 4: Simplify right side
    605,126.36x = 311,003,694,624.69
  5. Step 5: Solve for x
    x = 311,003,694,624.69/605,126.36
  6. Step 6: Final answer
    x = 513,948.35

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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.