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Finding the Fourth Proportional to 572,222.84, 789,651.60 and 314,099.60

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Solution

The fourth proportional to 572,222.84, 789,651.60 and 314,099.60 is: 433,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,222.84 : 789,651.60 = 314,099.60 : x
  2. Step 2: Convert to fraction form
    572,222.84/789,651.60 = 314,099.60/x
  3. Step 3: Cross multiply
    572,222.84x = 789,651.60 × 314,099.60
  4. Step 4: Simplify right side
    572,222.84x = 248,029,251,699.36
  5. Step 5: Solve for x
    x = 248,029,251,699.36/572,222.84
  6. Step 6: Final answer
    x = 433,448.71

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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.