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Finding the Fourth Proportional to 975,199.56, 1,463,380.56 and 435,413.88

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Solution

The fourth proportional to 975,199.56, 1,463,380.56 and 435,413.88 is: 653,380.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,199.56 : 1,463,380.56 = 435,413.88 : x
  2. Step 2: Convert to fraction form
    975,199.56/1,463,380.56 = 435,413.88/x
  3. Step 3: Cross multiply
    975,199.56x = 1,463,380.56 × 435,413.88
  4. Step 4: Simplify right side
    975,199.56x = 637,176,207,546.17
  5. Step 5: Solve for x
    x = 637,176,207,546.17/975,199.56
  6. Step 6: Final answer
    x = 653,380.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.