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Finding the Fourth Proportional to 655,526.76, 904,713.19 and 369,102.66

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Solution

The fourth proportional to 655,526.76, 904,713.19 and 369,102.66 is: 509,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,526.76 : 904,713.19 = 369,102.66 : x
  2. Step 2: Convert to fraction form
    655,526.76/904,713.19 = 369,102.66/x
  3. Step 3: Cross multiply
    655,526.76x = 904,713.19 × 369,102.66
  4. Step 4: Simplify right side
    655,526.76x = 333,932,040,442.52
  5. Step 5: Solve for x
    x = 333,932,040,442.52/655,526.76
  6. Step 6: Final answer
    x = 509,410.24

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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.