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Finding the Fourth Proportional to 365,571.24, 503,366.76 and 319,994.16

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Solution

The fourth proportional to 365,571.24, 503,366.76 and 319,994.16 is: 440,610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,571.24 : 503,366.76 = 319,994.16 : x
  2. Step 2: Convert to fraction form
    365,571.24/503,366.76 = 319,994.16/x
  3. Step 3: Cross multiply
    365,571.24x = 503,366.76 × 319,994.16
  4. Step 4: Simplify right side
    365,571.24x = 161,074,423,538.12
  5. Step 5: Solve for x
    x = 161,074,423,538.12/365,571.24
  6. Step 6: Final answer
    x = 440,610.22

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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.