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Finding the Fourth Proportional to 624,800.36, 862,288.14 and 450,513.93

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Solution

The fourth proportional to 624,800.36, 862,288.14 and 450,513.93 is: 621,755.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,800.36 : 862,288.14 = 450,513.93 : x
  2. Step 2: Convert to fraction form
    624,800.36/862,288.14 = 450,513.93/x
  3. Step 3: Cross multiply
    624,800.36x = 862,288.14 × 450,513.93
  4. Step 4: Simplify right side
    624,800.36x = 388,472,815,538.04
  5. Step 5: Solve for x
    x = 388,472,815,538.04/624,800.36
  6. Step 6: Final answer
    x = 621,755.11

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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.