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Finding the Fourth Proportional to 476,190.33, 714,099.43 and 172,512.40

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Solution

The fourth proportional to 476,190.33, 714,099.43 and 172,512.40 is: 258,701.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,190.33 : 714,099.43 = 172,512.40 : x
  2. Step 2: Convert to fraction form
    476,190.33/714,099.43 = 172,512.40/x
  3. Step 3: Cross multiply
    476,190.33x = 714,099.43 × 172,512.40
  4. Step 4: Simplify right side
    476,190.33x = 123,191,004,561.17
  5. Step 5: Solve for x
    x = 123,191,004,561.17/476,190.33
  6. Step 6: Final answer
    x = 258,701.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.