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Finding the Fourth Proportional to 475,768.56, 656,561.52 and 260,910.12

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Solution

The fourth proportional to 475,768.56, 656,561.52 and 260,910.12 is: 360,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,768.56 : 656,561.52 = 260,910.12 : x
  2. Step 2: Convert to fraction form
    475,768.56/656,561.52 = 260,910.12/x
  3. Step 3: Cross multiply
    475,768.56x = 656,561.52 × 260,910.12
  4. Step 4: Simplify right side
    475,768.56x = 171,303,544,970.58
  5. Step 5: Solve for x
    x = 171,303,544,970.58/475,768.56
  6. Step 6: Final answer
    x = 360,056.46

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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.