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Finding the Fourth Proportional to 365,030.78, 503,737.17 and 203,888.12

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Solution

The fourth proportional to 365,030.78, 503,737.17 and 203,888.12 is: 281,362.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,030.78 : 503,737.17 = 203,888.12 : x
  2. Step 2: Convert to fraction form
    365,030.78/503,737.17 = 203,888.12/x
  3. Step 3: Cross multiply
    365,030.78x = 503,737.17 × 203,888.12
  4. Step 4: Simplify right side
    365,030.78x = 102,706,024,565.42
  5. Step 5: Solve for x
    x = 102,706,024,565.42/365,030.78
  6. Step 6: Final answer
    x = 281,362.64

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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.