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Finding the Fourth Proportional to 292,748.45, 404,104.34 and 190,798.71

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Solution

The fourth proportional to 292,748.45, 404,104.34 and 190,798.71 is: 263,374.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,748.45 : 404,104.34 = 190,798.71 : x
  2. Step 2: Convert to fraction form
    292,748.45/404,104.34 = 190,798.71/x
  3. Step 3: Cross multiply
    292,748.45x = 404,104.34 × 190,798.71
  4. Step 4: Simplify right side
    292,748.45x = 77,102,585,823.41
  5. Step 5: Solve for x
    x = 77,102,585,823.41/292,748.45
  6. Step 6: Final answer
    x = 263,374.88

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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.