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Finding the Fourth Proportional to 365,569.22, 503,364.03 and 319,992.14

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Solution

The fourth proportional to 365,569.22, 503,364.03 and 319,992.14 is: 440,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,569.22 : 503,364.03 = 319,992.14 : x
  2. Step 2: Convert to fraction form
    365,569.22/503,364.03 = 319,992.14/x
  3. Step 3: Cross multiply
    365,569.22x = 503,364.03 × 319,992.14
  4. Step 4: Simplify right side
    365,569.22x = 161,072,533,158.72
  5. Step 5: Solve for x
    x = 161,072,533,158.72/365,569.22
  6. Step 6: Final answer
    x = 440,607.48

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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.