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Finding the Fourth Proportional to 587,326.64, 880,954.28 and 208,266.08

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Solution

The fourth proportional to 587,326.64, 880,954.28 and 208,266.08 is: 312,386.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,326.64 : 880,954.28 = 208,266.08 : x
  2. Step 2: Convert to fraction form
    587,326.64/880,954.28 = 208,266.08/x
  3. Step 3: Cross multiply
    587,326.64x = 880,954.28 × 208,266.08
  4. Step 4: Simplify right side
    587,326.64x = 183,472,894,554.82
  5. Step 5: Solve for x
    x = 183,472,894,554.82/587,326.64
  6. Step 6: Final answer
    x = 312,386.47

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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.