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Finding the Fourth Proportional to 401,613.65, 554,191.54 and 229,497.46

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Solution

The fourth proportional to 401,613.65, 554,191.54 and 229,497.46 is: 316,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,613.65 : 554,191.54 = 229,497.46 : x
  2. Step 2: Convert to fraction form
    401,613.65/554,191.54 = 229,497.46/x
  3. Step 3: Cross multiply
    401,613.65x = 554,191.54 × 229,497.46
  4. Step 4: Simplify right side
    401,613.65x = 127,185,548,824.27
  5. Step 5: Solve for x
    x = 127,185,548,824.27/401,613.65
  6. Step 6: Final answer
    x = 316,686.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.