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Finding the Fourth Proportional to 340,083.86, 469,319.66 and 194,886.76

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Solution

The fourth proportional to 340,083.86, 469,319.66 and 194,886.76 is: 268,945.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,083.86 : 469,319.66 = 194,886.76 : x
  2. Step 2: Convert to fraction form
    340,083.86/469,319.66 = 194,886.76/x
  3. Step 3: Cross multiply
    340,083.86x = 469,319.66 × 194,886.76
  4. Step 4: Simplify right side
    340,083.86x = 91,464,187,941.70
  5. Step 5: Solve for x
    x = 91,464,187,941.70/340,083.86
  6. Step 6: Final answer
    x = 268,945.98

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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.