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Finding the Fourth Proportional to 655,751.66, 904,919.60 and 369,265.58

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Solution

The fourth proportional to 655,751.66, 904,919.60 and 369,265.58 is: 509,576.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,751.66 : 904,919.60 = 369,265.58 : x
  2. Step 2: Convert to fraction form
    655,751.66/904,919.60 = 369,265.58/x
  3. Step 3: Cross multiply
    655,751.66x = 904,919.60 × 369,265.58
  4. Step 4: Simplify right side
    655,751.66x = 334,155,660,947.37
  5. Step 5: Solve for x
    x = 334,155,660,947.37/655,751.66
  6. Step 6: Final answer
    x = 509,576.54

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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.