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Finding the Fourth Proportional to 724,361.04, 999,681.48 and 422,652.24

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Solution

The fourth proportional to 724,361.04, 999,681.48 and 422,652.24 is: 583,296.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,361.04 : 999,681.48 = 422,652.24 : x
  2. Step 2: Convert to fraction form
    724,361.04/999,681.48 = 422,652.24/x
  3. Step 3: Cross multiply
    724,361.04x = 999,681.48 × 422,652.24
  4. Step 4: Simplify right side
    724,361.04x = 422,517,616,808.52
  5. Step 5: Solve for x
    x = 422,517,616,808.52/724,361.04
  6. Step 6: Final answer
    x = 583,296.99

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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.