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Finding the Fourth Proportional to 559,066.40, 838,599.60 and 498,413.60

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Solution

The fourth proportional to 559,066.40, 838,599.60 and 498,413.60 is: 747,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,066.40 : 838,599.60 = 498,413.60 : x
  2. Step 2: Convert to fraction form
    559,066.40/838,599.60 = 498,413.60/x
  3. Step 3: Cross multiply
    559,066.40x = 838,599.60 × 498,413.60
  4. Step 4: Simplify right side
    559,066.40x = 417,969,445,594.56
  5. Step 5: Solve for x
    x = 417,969,445,594.56/559,066.40
  6. Step 6: Final answer
    x = 747,620.40

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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.