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Finding the Fourth Proportional to 401,567.59, 554,086.51 and 229,540.06

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Solution

The fourth proportional to 401,567.59, 554,086.51 and 229,540.06 is: 316,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,567.59 : 554,086.51 = 229,540.06 : x
  2. Step 2: Convert to fraction form
    401,567.59/554,086.51 = 229,540.06/x
  3. Step 3: Cross multiply
    401,567.59x = 554,086.51 × 229,540.06
  4. Step 4: Simplify right side
    401,567.59x = 127,185,050,869.35
  5. Step 5: Solve for x
    x = 127,185,050,869.35/401,567.59
  6. Step 6: Final answer
    x = 316,721.40

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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.