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Finding the Fourth Proportional to 296,686.04, 445,029 and 197,040.84

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Solution

The fourth proportional to 296,686.04, 445,029 and 197,040.84 is: 295,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,686.04 : 445,029 = 197,040.84 : x
  2. Step 2: Convert to fraction form
    296,686.04/445,029 = 197,040.84/x
  3. Step 3: Cross multiply
    296,686.04x = 445,029 × 197,040.84
  4. Step 4: Simplify right side
    296,686.04x = 87,688,887,984.36
  5. Step 5: Solve for x
    x = 87,688,887,984.36/296,686.04
  6. Step 6: Final answer
    x = 295,561.22

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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.