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Finding the Fourth Proportional to 291,498.60, 437,247.90 and 166,852.20

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Solution

The fourth proportional to 291,498.60, 437,247.90 and 166,852.20 is: 250,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,498.60 : 437,247.90 = 166,852.20 : x
  2. Step 2: Convert to fraction form
    291,498.60/437,247.90 = 166,852.20/x
  3. Step 3: Cross multiply
    291,498.60x = 437,247.90 × 166,852.20
  4. Step 4: Simplify right side
    291,498.60x = 72,955,774,060.38
  5. Step 5: Solve for x
    x = 72,955,774,060.38/291,498.60
  6. Step 6: Final answer
    x = 250,278.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.