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Finding the Fourth Proportional to 296,457.66, 444,729.15 and 96,728.58

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Solution

The fourth proportional to 296,457.66, 444,729.15 and 96,728.58 is: 145,106.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,457.66 : 444,729.15 = 96,728.58 : x
  2. Step 2: Convert to fraction form
    296,457.66/444,729.15 = 96,728.58/x
  3. Step 3: Cross multiply
    296,457.66x = 444,729.15 × 96,728.58
  4. Step 4: Simplify right side
    296,457.66x = 43,018,019,164.11
  5. Step 5: Solve for x
    x = 43,018,019,164.11/296,457.66
  6. Step 6: Final answer
    x = 145,106.79

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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.