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Finding the Fourth Proportional to 415,577.48, 573,592.32 and 254,521.28

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Solution

The fourth proportional to 415,577.48, 573,592.32 and 254,521.28 is: 351,297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,577.48 : 573,592.32 = 254,521.28 : x
  2. Step 2: Convert to fraction form
    415,577.48/573,592.32 = 254,521.28/x
  3. Step 3: Cross multiply
    415,577.48x = 573,592.32 × 254,521.28
  4. Step 4: Simplify right side
    415,577.48x = 145,991,451,484.57
  5. Step 5: Solve for x
    x = 145,991,451,484.57/415,577.48
  6. Step 6: Final answer
    x = 351,297.79

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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.