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Finding the Fourth Proportional to 332,561.45, 458,935.40 and 181,658.45

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Solution

The fourth proportional to 332,561.45, 458,935.40 and 181,658.45 is: 250,688.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,561.45 : 458,935.40 = 181,658.45 : x
  2. Step 2: Convert to fraction form
    332,561.45/458,935.40 = 181,658.45/x
  3. Step 3: Cross multiply
    332,561.45x = 458,935.40 × 181,658.45
  4. Step 4: Simplify right side
    332,561.45x = 83,369,495,015.61
  5. Step 5: Solve for x
    x = 83,369,495,015.61/332,561.45
  6. Step 6: Final answer
    x = 250,688.99

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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.