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Finding the Fourth Proportional to 314,972, 472,458 and 93,356

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Solution

The fourth proportional to 314,972, 472,458 and 93,356 is: 140,034

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,972 : 472,458 = 93,356 : x
  2. Step 2: Convert to fraction form
    314,972/472,458 = 93,356/x
  3. Step 3: Cross multiply
    314,972x = 472,458 × 93,356
  4. Step 4: Simplify right side
    314,972x = 44,106,789,048
  5. Step 5: Solve for x
    x = 44,106,789,048/314,972
  6. Step 6: Final answer
    x = 140,034

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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.