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Finding the Fourth Proportional to 475,553.55, 656,331.46 and 294,323.85

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Solution

The fourth proportional to 475,553.55, 656,331.46 and 294,323.85 is: 406,208.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,553.55 : 656,331.46 = 294,323.85 : x
  2. Step 2: Convert to fraction form
    475,553.55/656,331.46 = 294,323.85/x
  3. Step 3: Cross multiply
    475,553.55x = 656,331.46 × 294,323.85
  4. Step 4: Simplify right side
    475,553.55x = 193,173,997,430.04
  5. Step 5: Solve for x
    x = 193,173,997,430.04/475,553.55
  6. Step 6: Final answer
    x = 406,208.72

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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.