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Finding the Fourth Proportional to 655,524.72, 904,621.50 and 369,045.36

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Solution

The fourth proportional to 655,524.72, 904,621.50 and 369,045.36 is: 509,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,524.72 : 904,621.50 = 369,045.36 : x
  2. Step 2: Convert to fraction form
    655,524.72/904,621.50 = 369,045.36/x
  3. Step 3: Cross multiply
    655,524.72x = 904,621.50 × 369,045.36
  4. Step 4: Simplify right side
    655,524.72x = 333,846,367,131.24
  5. Step 5: Solve for x
    x = 333,846,367,131.24/655,524.72
  6. Step 6: Final answer
    x = 509,281.13

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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.