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Finding the Fourth Proportional to 448,065.96, 618,330.69 and 246,861.96

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Solution

The fourth proportional to 448,065.96, 618,330.69 and 246,861.96 is: 340,669.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,065.96 : 618,330.69 = 246,861.96 : x
  2. Step 2: Convert to fraction form
    448,065.96/618,330.69 = 246,861.96/x
  3. Step 3: Cross multiply
    448,065.96x = 618,330.69 × 246,861.96
  4. Step 4: Simplify right side
    448,065.96x = 152,642,326,061.55
  5. Step 5: Solve for x
    x = 152,642,326,061.55/448,065.96
  6. Step 6: Final answer
    x = 340,669.32

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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.