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Finding the Fourth Proportional to 263,693.19, 363,870.54 and 147,384.89

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Solution

The fourth proportional to 263,693.19, 363,870.54 and 147,384.89 is: 203,376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,693.19 : 363,870.54 = 147,384.89 : x
  2. Step 2: Convert to fraction form
    263,693.19/363,870.54 = 147,384.89/x
  3. Step 3: Cross multiply
    263,693.19x = 363,870.54 × 147,384.89
  4. Step 4: Simplify right side
    263,693.19x = 53,629,019,057.30
  5. Step 5: Solve for x
    x = 53,629,019,057.30/263,693.19
  6. Step 6: Final answer
    x = 203,376.58

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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.