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Finding the Fourth Proportional to 338,379.56, 507,569.72 and 101,722.24

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Solution

The fourth proportional to 338,379.56, 507,569.72 and 101,722.24 is: 152,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,379.56 : 507,569.72 = 101,722.24 : x
  2. Step 2: Convert to fraction form
    338,379.56/507,569.72 = 101,722.24/x
  3. Step 3: Cross multiply
    338,379.56x = 507,569.72 × 101,722.24
  4. Step 4: Simplify right side
    338,379.56x = 51,631,128,874.57
  5. Step 5: Solve for x
    x = 51,631,128,874.57/338,379.56
  6. Step 6: Final answer
    x = 152,583.47

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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.