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Finding the Fourth Proportional to 316,230, 474,345 and 94,614

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Solution

The fourth proportional to 316,230, 474,345 and 94,614 is: 141,921

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,230 : 474,345 = 94,614 : x
  2. Step 2: Convert to fraction form
    316,230/474,345 = 94,614/x
  3. Step 3: Cross multiply
    316,230x = 474,345 × 94,614
  4. Step 4: Simplify right side
    316,230x = 44,879,677,830
  5. Step 5: Solve for x
    x = 44,879,677,830/316,230
  6. Step 6: Final answer
    x = 141,921

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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.