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Finding the Fourth Proportional to 552,728.88, 829,093.40 and 153,369.72

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Solution

The fourth proportional to 552,728.88, 829,093.40 and 153,369.72 is: 230,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,728.88 : 829,093.40 = 153,369.72 : x
  2. Step 2: Convert to fraction form
    552,728.88/829,093.40 = 153,369.72/x
  3. Step 3: Cross multiply
    552,728.88x = 829,093.40 × 153,369.72
  4. Step 4: Simplify right side
    552,728.88x = 127,157,822,611.85
  5. Step 5: Solve for x
    x = 127,157,822,611.85/552,728.88
  6. Step 6: Final answer
    x = 230,054.60

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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.