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Finding the Fourth Proportional to 617,113.90, 925,738.90 and 196,291.36

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Solution

The fourth proportional to 617,113.90, 925,738.90 and 196,291.36 is: 294,458.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,113.90 : 925,738.90 = 196,291.36 : x
  2. Step 2: Convert to fraction form
    617,113.90/925,738.90 = 196,291.36/x
  3. Step 3: Cross multiply
    617,113.90x = 925,738.90 × 196,291.36
  4. Step 4: Simplify right side
    617,113.90x = 181,714,547,685.90
  5. Step 5: Solve for x
    x = 181,714,547,685.90/617,113.90
  6. Step 6: Final answer
    x = 294,458.69

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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.