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Finding the Fourth Proportional to 555,367.32, 765,833.94 and 475,060.68

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Solution

The fourth proportional to 555,367.32, 765,833.94 and 475,060.68 is: 655,093.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,367.32 : 765,833.94 = 475,060.68 : x
  2. Step 2: Convert to fraction form
    555,367.32/765,833.94 = 475,060.68/x
  3. Step 3: Cross multiply
    555,367.32x = 765,833.94 × 475,060.68
  4. Step 4: Simplify right side
    555,367.32x = 363,817,592,303.48
  5. Step 5: Solve for x
    x = 363,817,592,303.48/555,367.32
  6. Step 6: Final answer
    x = 655,093.63

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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.