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Finding the Fourth Proportional to 887,672.40, 1,331,479.44 and 355,050.48

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Solution

The fourth proportional to 887,672.40, 1,331,479.44 and 355,050.48 is: 532,564.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,672.40 : 1,331,479.44 = 355,050.48 : x
  2. Step 2: Convert to fraction form
    887,672.40/1,331,479.44 = 355,050.48/x
  3. Step 3: Cross multiply
    887,672.40x = 1,331,479.44 × 355,050.48
  4. Step 4: Simplify right side
    887,672.40x = 472,742,414,282.13
  5. Step 5: Solve for x
    x = 472,742,414,282.13/887,672.40
  6. Step 6: Final answer
    x = 532,564.06

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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.