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Finding the Fourth Proportional to 315,929, 473,893.50 and 94,313

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Solution

The fourth proportional to 315,929, 473,893.50 and 94,313 is: 141,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,929 : 473,893.50 = 94,313 : x
  2. Step 2: Convert to fraction form
    315,929/473,893.50 = 94,313/x
  3. Step 3: Cross multiply
    315,929x = 473,893.50 × 94,313
  4. Step 4: Simplify right side
    315,929x = 44,694,317,665.50
  5. Step 5: Solve for x
    x = 44,694,317,665.50/315,929
  6. Step 6: Final answer
    x = 141,469.50

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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.