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Finding the Fourth Proportional to 291,693.32, 402,536.79 and 164,373.47

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Solution

The fourth proportional to 291,693.32, 402,536.79 and 164,373.47 is: 226,835.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,693.32 : 402,536.79 = 164,373.47 : x
  2. Step 2: Convert to fraction form
    291,693.32/402,536.79 = 164,373.47/x
  3. Step 3: Cross multiply
    291,693.32x = 402,536.79 × 164,373.47
  4. Step 4: Simplify right side
    291,693.32x = 66,166,368,861.73
  5. Step 5: Solve for x
    x = 66,166,368,861.73/291,693.32
  6. Step 6: Final answer
    x = 226,835.39

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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.