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Finding the Fourth Proportional to 540,413.01, 745,762.68 and 298,699.83

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Solution

The fourth proportional to 540,413.01, 745,762.68 and 298,699.83 is: 412,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,413.01 : 745,762.68 = 298,699.83 : x
  2. Step 2: Convert to fraction form
    540,413.01/745,762.68 = 298,699.83/x
  3. Step 3: Cross multiply
    540,413.01x = 745,762.68 × 298,699.83
  4. Step 4: Simplify right side
    540,413.01x = 222,759,185,736.34
  5. Step 5: Solve for x
    x = 222,759,185,736.34/540,413.01
  6. Step 6: Final answer
    x = 412,201.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.