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Finding the Fourth Proportional to 655,225.93, 904,062.22 and 368,641.45

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Solution

The fourth proportional to 655,225.93, 904,062.22 and 368,641.45 is: 508,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,225.93 : 904,062.22 = 368,641.45 : x
  2. Step 2: Convert to fraction form
    655,225.93/904,062.22 = 368,641.45/x
  3. Step 3: Cross multiply
    655,225.93x = 904,062.22 × 368,641.45
  4. Step 4: Simplify right side
    655,225.93x = 333,274,807,671.02
  5. Step 5: Solve for x
    x = 333,274,807,671.02/655,225.93
  6. Step 6: Final answer
    x = 508,641.05

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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.