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Finding the Fourth Proportional to 475,571.32, 656,355.54 and 294,341.56

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Solution

The fourth proportional to 475,571.32, 656,355.54 and 294,341.56 is: 406,232.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,571.32 : 656,355.54 = 294,341.56 : x
  2. Step 2: Convert to fraction form
    475,571.32/656,355.54 = 294,341.56/x
  3. Step 3: Cross multiply
    475,571.32x = 656,355.54 × 294,341.56
  4. Step 4: Simplify right side
    475,571.32x = 193,192,713,558.24
  5. Step 5: Solve for x
    x = 193,192,713,558.24/475,571.32
  6. Step 6: Final answer
    x = 406,232.89

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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.