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Finding the Fourth Proportional to 620,225.46, 856,229.99 and 530,544.82

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Solution

The fourth proportional to 620,225.46, 856,229.99 and 530,544.82 is: 732,424.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,225.46 : 856,229.99 = 530,544.82 : x
  2. Step 2: Convert to fraction form
    620,225.46/856,229.99 = 530,544.82/x
  3. Step 3: Cross multiply
    620,225.46x = 856,229.99 × 530,544.82
  4. Step 4: Simplify right side
    620,225.46x = 454,268,387,249.51
  5. Step 5: Solve for x
    x = 454,268,387,249.51/620,225.46
  6. Step 6: Final answer
    x = 732,424.61

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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.