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Finding the Fourth Proportional to 493,208.84, 680,628.15 and 266,854.34

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Solution

The fourth proportional to 493,208.84, 680,628.15 and 266,854.34 is: 368,258.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,208.84 : 680,628.15 = 266,854.34 : x
  2. Step 2: Convert to fraction form
    493,208.84/680,628.15 = 266,854.34/x
  3. Step 3: Cross multiply
    493,208.84x = 680,628.15 × 266,854.34
  4. Step 4: Simplify right side
    493,208.84x = 181,628,572,350.53
  5. Step 5: Solve for x
    x = 181,628,572,350.53/493,208.84
  6. Step 6: Final answer
    x = 368,258.96

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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.