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Finding the Fourth Proportional to 316,574, 474,861 and 94,958

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Solution

The fourth proportional to 316,574, 474,861 and 94,958 is: 142,437

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,574 : 474,861 = 94,958 : x
  2. Step 2: Convert to fraction form
    316,574/474,861 = 94,958/x
  3. Step 3: Cross multiply
    316,574x = 474,861 × 94,958
  4. Step 4: Simplify right side
    316,574x = 45,091,850,838
  5. Step 5: Solve for x
    x = 45,091,850,838/316,574
  6. Step 6: Final answer
    x = 142,437

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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.