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Finding the Fourth Proportional to 631,833.60, 947,916.58 and 227,066.70

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Solution

The fourth proportional to 631,833.60, 947,916.58 and 227,066.70 is: 340,659.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,833.60 : 947,916.58 = 227,066.70 : x
  2. Step 2: Convert to fraction form
    631,833.60/947,916.58 = 227,066.70/x
  3. Step 3: Cross multiply
    631,833.60x = 947,916.58 × 227,066.70
  4. Step 4: Simplify right side
    631,833.60x = 215,240,289,695.89
  5. Step 5: Solve for x
    x = 215,240,289,695.89/631,833.60
  6. Step 6: Final answer
    x = 340,659.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.