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Finding the Fourth Proportional to 270,588.12, 373,412.26 and 149,737.67

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Solution

The fourth proportional to 270,588.12, 373,412.26 and 149,737.67 is: 206,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,588.12 : 373,412.26 = 149,737.67 : x
  2. Step 2: Convert to fraction form
    270,588.12/373,412.26 = 149,737.67/x
  3. Step 3: Cross multiply
    270,588.12x = 373,412.26 × 149,737.67
  4. Step 4: Simplify right side
    270,588.12x = 55,913,881,761.83
  5. Step 5: Solve for x
    x = 55,913,881,761.83/270,588.12
  6. Step 6: Final answer
    x = 206,638.35

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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.