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Finding the Fourth Proportional to 560,264.63, 840,404.25 and 186,287.63

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Solution

The fourth proportional to 560,264.63, 840,404.25 and 186,287.63 is: 279,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,264.63 : 840,404.25 = 186,287.63 : x
  2. Step 2: Convert to fraction form
    560,264.63/840,404.25 = 186,287.63/x
  3. Step 3: Cross multiply
    560,264.63x = 840,404.25 × 186,287.63
  4. Step 4: Simplify right side
    560,264.63x = 156,556,911,772.41
  5. Step 5: Solve for x
    x = 156,556,911,772.41/560,264.63
  6. Step 6: Final answer
    x = 279,433.87

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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.