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Finding the Fourth Proportional to 553,792.54, 764,234.04 and 299,143.84

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Solution

The fourth proportional to 553,792.54, 764,234.04 and 299,143.84 is: 412,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,792.54 : 764,234.04 = 299,143.84 : x
  2. Step 2: Convert to fraction form
    553,792.54/764,234.04 = 299,143.84/x
  3. Step 3: Cross multiply
    553,792.54x = 764,234.04 × 299,143.84
  4. Step 4: Simplify right side
    553,792.54x = 228,615,905,384.31
  5. Step 5: Solve for x
    x = 228,615,905,384.31/553,792.54
  6. Step 6: Final answer
    x = 412,818.68

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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.