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Finding the Fourth Proportional to 572,363.52, 789,901.44 and 330,727.68

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Solution

The fourth proportional to 572,363.52, 789,901.44 and 330,727.68 is: 456,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,363.52 : 789,901.44 = 330,727.68 : x
  2. Step 2: Convert to fraction form
    572,363.52/789,901.44 = 330,727.68/x
  3. Step 3: Cross multiply
    572,363.52x = 789,901.44 × 330,727.68
  4. Step 4: Simplify right side
    572,363.52x = 261,242,270,679.86
  5. Step 5: Solve for x
    x = 261,242,270,679.86/572,363.52
  6. Step 6: Final answer
    x = 456,427.19

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Double scale
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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.