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Finding the Fourth Proportional to 446,720.45, 624,008.95 and 446,720.45

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Solution

The fourth proportional to 446,720.45, 624,008.95 and 446,720.45 is: 624,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,720.45 : 624,008.95 = 446,720.45 : x
  2. Step 2: Convert to fraction form
    446,720.45/624,008.95 = 446,720.45/x
  3. Step 3: Cross multiply
    446,720.45x = 624,008.95 × 446,720.45
  4. Step 4: Simplify right side
    446,720.45x = 278,757,558,948.03
  5. Step 5: Solve for x
    x = 278,757,558,948.03/446,720.45
  6. Step 6: Final answer
    x = 624,008.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.