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Finding the Fourth Proportional to 572,366.16, 789,837.12 and 314,236.80

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Solution

The fourth proportional to 572,366.16, 789,837.12 and 314,236.80 is: 433,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,366.16 : 789,837.12 = 314,236.80 : x
  2. Step 2: Convert to fraction form
    572,366.16/789,837.12 = 314,236.80/x
  3. Step 3: Cross multiply
    572,366.16x = 789,837.12 × 314,236.80
  4. Step 4: Simplify right side
    572,366.16x = 248,195,889,110.02
  5. Step 5: Solve for x
    x = 248,195,889,110.02/572,366.16
  6. Step 6: Final answer
    x = 433,631.31

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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.