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Finding the Fourth Proportional to 529,720.20, 793,413.90 and 470,622.60

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Solution

The fourth proportional to 529,720.20, 793,413.90 and 470,622.60 is: 704,897.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,720.20 : 793,413.90 = 470,622.60 : x
  2. Step 2: Convert to fraction form
    529,720.20/793,413.90 = 470,622.60/x
  3. Step 3: Cross multiply
    529,720.20x = 793,413.90 × 470,622.60
  4. Step 4: Simplify right side
    529,720.20x = 373,398,512,494.14
  5. Step 5: Solve for x
    x = 373,398,512,494.14/529,720.20
  6. Step 6: Final answer
    x = 704,897.63

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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.