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Finding the Fourth Proportional to 549,526.20, 824,289.30 and 494,413.80

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Solution

The fourth proportional to 549,526.20, 824,289.30 and 494,413.80 is: 741,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,526.20 : 824,289.30 = 494,413.80 : x
  2. Step 2: Convert to fraction form
    549,526.20/824,289.30 = 494,413.80/x
  3. Step 3: Cross multiply
    549,526.20x = 824,289.30 × 494,413.80
  4. Step 4: Simplify right side
    549,526.20x = 407,540,005,112.34
  5. Step 5: Solve for x
    x = 407,540,005,112.34/549,526.20
  6. Step 6: Final answer
    x = 741,620.70

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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.