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Finding the Fourth Proportional to 364,713.60, 503,571.36 and 235,728.38

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Solution

The fourth proportional to 364,713.60, 503,571.36 and 235,728.38 is: 325,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,713.60 : 503,571.36 = 235,728.38 : x
  2. Step 2: Convert to fraction form
    364,713.60/503,571.36 = 235,728.38/x
  3. Step 3: Cross multiply
    364,713.60x = 503,571.36 × 235,728.38
  4. Step 4: Simplify right side
    364,713.60x = 118,706,060,907.20
  5. Step 5: Solve for x
    x = 118,706,060,907.20/364,713.60
  6. Step 6: Final answer
    x = 325,477.47

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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.