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Finding the Fourth Proportional to 266,528.51, 367,808.45 and 145,669.76

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Solution

The fourth proportional to 266,528.51, 367,808.45 and 145,669.76 is: 201,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,528.51 : 367,808.45 = 145,669.76 : x
  2. Step 2: Convert to fraction form
    266,528.51/367,808.45 = 145,669.76/x
  3. Step 3: Cross multiply
    266,528.51x = 367,808.45 × 145,669.76
  4. Step 4: Simplify right side
    266,528.51x = 53,578,567,449.36
  5. Step 5: Solve for x
    x = 53,578,567,449.36/266,528.51
  6. Step 6: Final answer
    x = 201,023.78

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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.