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Finding the Fourth Proportional to 377,928.79, 565,561.69 and 235,840.91

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Solution

The fourth proportional to 377,928.79, 565,561.69 and 235,840.91 is: 352,930.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,928.79 : 565,561.69 = 235,840.91 : x
  2. Step 2: Convert to fraction form
    377,928.79/565,561.69 = 235,840.91/x
  3. Step 3: Cross multiply
    377,928.79x = 565,561.69 × 235,840.91
  4. Step 4: Simplify right side
    377,928.79x = 133,382,580,213.33
  5. Step 5: Solve for x
    x = 133,382,580,213.33/377,928.79
  6. Step 6: Final answer
    x = 352,930.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.