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Finding the Fourth Proportional to 364,153.68, 502,526.31 and 203,018.58

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Solution

The fourth proportional to 364,153.68, 502,526.31 and 203,018.58 is: 280,162.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,153.68 : 502,526.31 = 203,018.58 : x
  2. Step 2: Convert to fraction form
    364,153.68/502,526.31 = 203,018.58/x
  3. Step 3: Cross multiply
    364,153.68x = 502,526.31 × 203,018.58
  4. Step 4: Simplify right side
    364,153.68x = 102,022,177,868.84
  5. Step 5: Solve for x
    x = 102,022,177,868.84/364,153.68
  6. Step 6: Final answer
    x = 280,162.42

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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.