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Finding the Fourth Proportional to 598,705.86, 826,087.84 and 380,835.32

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Solution

The fourth proportional to 598,705.86, 826,087.84 and 380,835.32 is: 525,472.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,705.86 : 826,087.84 = 380,835.32 : x
  2. Step 2: Convert to fraction form
    598,705.86/826,087.84 = 380,835.32/x
  3. Step 3: Cross multiply
    598,705.86x = 826,087.84 × 380,835.32
  4. Step 4: Simplify right side
    598,705.86x = 314,603,427,529.83
  5. Step 5: Solve for x
    x = 314,603,427,529.83/598,705.86
  6. Step 6: Final answer
    x = 525,472.44

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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.