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Finding the Fourth Proportional to 447,909.14, 618,114.59 and 246,705.14

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Solution

The fourth proportional to 447,909.14, 618,114.59 and 246,705.14 is: 340,453.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,909.14 : 618,114.59 = 246,705.14 : x
  2. Step 2: Convert to fraction form
    447,909.14/618,114.59 = 246,705.14/x
  3. Step 3: Cross multiply
    447,909.14x = 618,114.59 × 246,705.14
  4. Step 4: Simplify right side
    447,909.14x = 152,492,046,461.99
  5. Step 5: Solve for x
    x = 152,492,046,461.99/447,909.14
  6. Step 6: Final answer
    x = 340,453.08

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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.