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Finding the Fourth Proportional to 365,102.81, 503,823.89 and 203,925.77

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Solution

The fourth proportional to 365,102.81, 503,823.89 and 203,925.77 is: 281,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,102.81 : 503,823.89 = 203,925.77 : x
  2. Step 2: Convert to fraction form
    365,102.81/503,823.89 = 203,925.77/x
  3. Step 3: Cross multiply
    365,102.81x = 503,823.89 × 203,925.77
  4. Step 4: Simplify right side
    365,102.81x = 102,742,673,693.02
  5. Step 5: Solve for x
    x = 102,742,673,693.02/365,102.81
  6. Step 6: Final answer
    x = 281,407.51

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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.