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Finding the Fourth Proportional to 233,790.51, 322,415.66 and 147,599.76

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Solution

The fourth proportional to 233,790.51, 322,415.66 and 147,599.76 is: 203,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,790.51 : 322,415.66 = 147,599.76 : x
  2. Step 2: Convert to fraction form
    233,790.51/322,415.66 = 147,599.76/x
  3. Step 3: Cross multiply
    233,790.51x = 322,415.66 × 147,599.76
  4. Step 4: Simplify right side
    233,790.51x = 47,588,474,405.24
  5. Step 5: Solve for x
    x = 47,588,474,405.24/233,790.51
  6. Step 6: Final answer
    x = 203,551.78

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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.