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Finding the Fourth Proportional to 724,362.04, 999,682.86 and 422,653.24

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Solution

The fourth proportional to 724,362.04, 999,682.86 and 422,653.24 is: 583,298.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,362.04 : 999,682.86 = 422,653.24 : x
  2. Step 2: Convert to fraction form
    724,362.04/999,682.86 = 422,653.24/x
  3. Step 3: Cross multiply
    724,362.04x = 999,682.86 × 422,653.24
  4. Step 4: Simplify right side
    724,362.04x = 422,519,199,751.47
  5. Step 5: Solve for x
    x = 422,519,199,751.47/724,362.04
  6. Step 6: Final answer
    x = 583,298.37

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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.