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Finding the Fourth Proportional to 292,798.72, 404,062.44 and 158,662.72

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Solution

The fourth proportional to 292,798.72, 404,062.44 and 158,662.72 is: 218,954.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,798.72 : 404,062.44 = 158,662.72 : x
  2. Step 2: Convert to fraction form
    292,798.72/404,062.44 = 158,662.72/x
  3. Step 3: Cross multiply
    292,798.72x = 404,062.44 × 158,662.72
  4. Step 4: Simplify right side
    292,798.72x = 64,109,645,780.24
  5. Step 5: Solve for x
    x = 64,109,645,780.24/292,798.72
  6. Step 6: Final answer
    x = 218,954.67

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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.