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Finding the Fourth Proportional to 343,518.60, 474,058.52 and 190,566.80

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Solution

The fourth proportional to 343,518.60, 474,058.52 and 190,566.80 is: 262,983.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,518.60 : 474,058.52 = 190,566.80 : x
  2. Step 2: Convert to fraction form
    343,518.60/474,058.52 = 190,566.80/x
  3. Step 3: Cross multiply
    343,518.60x = 474,058.52 × 190,566.80
  4. Step 4: Simplify right side
    343,518.60x = 90,339,815,169.14
  5. Step 5: Solve for x
    x = 90,339,815,169.14/343,518.60
  6. Step 6: Final answer
    x = 262,983.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.