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Finding the Fourth Proportional to 655,271.74, 904,177.47 and 368,774.74

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Solution

The fourth proportional to 655,271.74, 904,177.47 and 368,774.74 is: 508,854.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,271.74 : 904,177.47 = 368,774.74 : x
  2. Step 2: Convert to fraction form
    655,271.74/904,177.47 = 368,774.74/x
  3. Step 3: Cross multiply
    655,271.74x = 904,177.47 × 368,774.74
  4. Step 4: Simplify right side
    655,271.74x = 333,437,811,413.11
  5. Step 5: Solve for x
    x = 333,437,811,413.11/655,271.74
  6. Step 6: Final answer
    x = 508,854.25

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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.