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Finding the Fourth Proportional to 610,321.04, 915,481.64 and 189,596.88

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Solution

The fourth proportional to 610,321.04, 915,481.64 and 189,596.88 is: 284,395.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,321.04 : 915,481.64 = 189,596.88 : x
  2. Step 2: Convert to fraction form
    610,321.04/915,481.64 = 189,596.88/x
  3. Step 3: Cross multiply
    610,321.04x = 915,481.64 × 189,596.88
  4. Step 4: Simplify right side
    610,321.04x = 173,572,462,641.28
  5. Step 5: Solve for x
    x = 173,572,462,641.28/610,321.04
  6. Step 6: Final answer
    x = 284,395.34

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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.