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Finding the Fourth Proportional to 371,351.32, 557,237.64 and 200,570.92

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Solution

The fourth proportional to 371,351.32, 557,237.64 and 200,570.92 is: 300,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,351.32 : 557,237.64 = 200,570.92 : x
  2. Step 2: Convert to fraction form
    371,351.32/557,237.64 = 200,570.92/x
  3. Step 3: Cross multiply
    371,351.32x = 557,237.64 × 200,570.92
  4. Step 4: Simplify right side
    371,351.32x = 111,765,666,113.43
  5. Step 5: Solve for x
    x = 111,765,666,113.43/371,351.32
  6. Step 6: Final answer
    x = 300,970.16

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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.