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Finding the Fourth Proportional to 415,529.82, 573,303.54 and 254,216.70

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Solution

The fourth proportional to 415,529.82, 573,303.54 and 254,216.70 is: 350,740.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,529.82 : 573,303.54 = 254,216.70 : x
  2. Step 2: Convert to fraction form
    415,529.82/573,303.54 = 254,216.70/x
  3. Step 3: Cross multiply
    415,529.82x = 573,303.54 × 254,216.70
  4. Step 4: Simplify right side
    415,529.82x = 145,743,334,037.12
  5. Step 5: Solve for x
    x = 145,743,334,037.12/415,529.82
  6. Step 6: Final answer
    x = 350,740.97

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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.