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Finding the Fourth Proportional to 448,059.72, 618,322.06 and 246,855.72

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Solution

The fourth proportional to 448,059.72, 618,322.06 and 246,855.72 is: 340,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,059.72 : 618,322.06 = 246,855.72 : x
  2. Step 2: Convert to fraction form
    448,059.72/618,322.06 = 246,855.72/x
  3. Step 3: Cross multiply
    448,059.72x = 618,322.06 × 246,855.72
  4. Step 4: Simplify right side
    448,059.72x = 152,636,337,313.18
  5. Step 5: Solve for x
    x = 152,636,337,313.18/448,059.72
  6. Step 6: Final answer
    x = 340,660.70

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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.