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Finding the Fourth Proportional to 655,185.39, 904,152.96 and 368,710.26

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Solution

The fourth proportional to 655,185.39, 904,152.96 and 368,710.26 is: 508,818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,185.39 : 904,152.96 = 368,710.26 : x
  2. Step 2: Convert to fraction form
    655,185.39/904,152.96 = 368,710.26/x
  3. Step 3: Cross multiply
    655,185.39x = 904,152.96 × 368,710.26
  4. Step 4: Simplify right side
    655,185.39x = 333,370,472,961.37
  5. Step 5: Solve for x
    x = 333,370,472,961.37/655,185.39
  6. Step 6: Final answer
    x = 508,818.54

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1.5x scale

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.