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Finding the Fourth Proportional to 655,528.76, 904,715.96 and 369,104.66

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Solution

The fourth proportional to 655,528.76, 904,715.96 and 369,104.66 is: 509,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,528.76 : 904,715.96 = 369,104.66 : x
  2. Step 2: Convert to fraction form
    655,528.76/904,715.96 = 369,104.66/x
  3. Step 3: Cross multiply
    655,528.76x = 904,715.96 × 369,104.66
  4. Step 4: Simplify right side
    655,528.76x = 333,934,876,812.37
  5. Step 5: Solve for x
    x = 333,934,876,812.37/655,528.76
  6. Step 6: Final answer
    x = 509,413.01

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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.