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Finding the Fourth Proportional to 269,590.71, 404,437.91 and 103,365.75

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Solution

The fourth proportional to 269,590.71, 404,437.91 and 103,365.75 is: 155,068.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,590.71 : 404,437.91 = 103,365.75 : x
  2. Step 2: Convert to fraction form
    269,590.71/404,437.91 = 103,365.75/x
  3. Step 3: Cross multiply
    269,590.71x = 404,437.91 × 103,365.75
  4. Step 4: Simplify right side
    269,590.71x = 41,805,027,378.75
  5. Step 5: Solve for x
    x = 41,805,027,378.75/269,590.71
  6. Step 6: Final answer
    x = 155,068.50

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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.