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Finding the Fourth Proportional to 571,036.65, 856,662.99 and 229,506.61

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Solution

The fourth proportional to 571,036.65, 856,662.99 and 229,506.61 is: 344,303.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,036.65 : 856,662.99 = 229,506.61 : x
  2. Step 2: Convert to fraction form
    571,036.65/856,662.99 = 229,506.61/x
  3. Step 3: Cross multiply
    571,036.65x = 856,662.99 × 229,506.61
  4. Step 4: Simplify right side
    571,036.65x = 196,609,818,747.36
  5. Step 5: Solve for x
    x = 196,609,818,747.36/571,036.65
  6. Step 6: Final answer
    x = 344,303.33

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Similar ratio
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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.