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Finding the Fourth Proportional to 536,863.86, 740,856.36 and 307,413.54

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Solution

The fourth proportional to 536,863.86, 740,856.36 and 307,413.54 is: 424,221.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,863.86 : 740,856.36 = 307,413.54 : x
  2. Step 2: Convert to fraction form
    536,863.86/740,856.36 = 307,413.54/x
  3. Step 3: Cross multiply
    536,863.86x = 740,856.36 × 307,413.54
  4. Step 4: Simplify right side
    536,863.86x = 227,749,276,259.11
  5. Step 5: Solve for x
    x = 227,749,276,259.11/536,863.86
  6. Step 6: Final answer
    x = 424,221.66

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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.