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Finding the Fourth Proportional to 572,317.44, 789,807.95 and 314,218.33

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Solution

The fourth proportional to 572,317.44, 789,807.95 and 314,218.33 is: 433,626.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,317.44 : 789,807.95 = 314,218.33 : x
  2. Step 2: Convert to fraction form
    572,317.44/789,807.95 = 314,218.33/x
  3. Step 3: Cross multiply
    572,317.44x = 789,807.95 × 314,218.33
  4. Step 4: Simplify right side
    572,317.44x = 248,172,135,069.72
  5. Step 5: Solve for x
    x = 248,172,135,069.72/572,317.44
  6. Step 6: Final answer
    x = 433,626.72

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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.