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Finding the Fourth Proportional to 266,606.79, 365,958.93 and 235,715.40

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Solution

The fourth proportional to 266,606.79, 365,958.93 and 235,715.40 is: 323,555.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,606.79 : 365,958.93 = 235,715.40 : x
  2. Step 2: Convert to fraction form
    266,606.79/365,958.93 = 235,715.40/x
  3. Step 3: Cross multiply
    266,606.79x = 365,958.93 × 235,715.40
  4. Step 4: Simplify right side
    266,606.79x = 86,262,155,568.52
  5. Step 5: Solve for x
    x = 86,262,155,568.52/266,606.79
  6. Step 6: Final answer
    x = 323,555.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.