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Finding the Fourth Proportional to 475,127.26, 712,616.62 and 155,276.60

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Solution

The fourth proportional to 475,127.26, 712,616.62 and 155,276.60 is: 232,890.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,127.26 : 712,616.62 = 155,276.60 : x
  2. Step 2: Convert to fraction form
    475,127.26/712,616.62 = 155,276.60/x
  3. Step 3: Cross multiply
    475,127.26x = 712,616.62 × 155,276.60
  4. Step 4: Simplify right side
    475,127.26x = 110,652,685,857.09
  5. Step 5: Solve for x
    x = 110,652,685,857.09/475,127.26
  6. Step 6: Final answer
    x = 232,890.63

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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.