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Finding the Fourth Proportional to 655,064.07, 904,006.08 and 368,594.34

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Solution

The fourth proportional to 655,064.07, 904,006.08 and 368,594.34 is: 508,670.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,064.07 : 904,006.08 = 368,594.34 : x
  2. Step 2: Convert to fraction form
    655,064.07/904,006.08 = 368,594.34/x
  3. Step 3: Cross multiply
    655,064.07x = 904,006.08 × 368,594.34
  4. Step 4: Simplify right side
    655,064.07x = 333,211,524,413.59
  5. Step 5: Solve for x
    x = 333,211,524,413.59/655,064.07
  6. Step 6: Final answer
    x = 508,670.13

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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.