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Finding the Fourth Proportional to 317,048.49, 475,434.50 and 119,918.25

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Solution

The fourth proportional to 317,048.49, 475,434.50 and 119,918.25 is: 179,825.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,048.49 : 475,434.50 = 119,918.25 : x
  2. Step 2: Convert to fraction form
    317,048.49/475,434.50 = 119,918.25/x
  3. Step 3: Cross multiply
    317,048.49x = 475,434.50 × 119,918.25
  4. Step 4: Simplify right side
    317,048.49x = 57,013,272,630.03
  5. Step 5: Solve for x
    x = 57,013,272,630.03/317,048.49
  6. Step 6: Final answer
    x = 179,825.09

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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.