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Finding the Fourth Proportional to 433,460.70, 649,413.45 and 371,252.70

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Solution

The fourth proportional to 433,460.70, 649,413.45 and 371,252.70 is: 556,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,460.70 : 649,413.45 = 371,252.70 : x
  2. Step 2: Convert to fraction form
    433,460.70/649,413.45 = 371,252.70/x
  3. Step 3: Cross multiply
    433,460.70x = 649,413.45 × 371,252.70
  4. Step 4: Simplify right side
    433,460.70x = 241,096,496,728.82
  5. Step 5: Solve for x
    x = 241,096,496,728.82/433,460.70
  6. Step 6: Final answer
    x = 556,213.05

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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.