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Finding the Fourth Proportional to 364,995.59, 503,413.92 and 219,649.86

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Solution

The fourth proportional to 364,995.59, 503,413.92 and 219,649.86 is: 302,948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,995.59 : 503,413.92 = 219,649.86 : x
  2. Step 2: Convert to fraction form
    364,995.59/503,413.92 = 219,649.86/x
  3. Step 3: Cross multiply
    364,995.59x = 503,413.92 × 219,649.86
  4. Step 4: Simplify right side
    364,995.59x = 110,574,797,050.05
  5. Step 5: Solve for x
    x = 110,574,797,050.05/364,995.59
  6. Step 6: Final answer
    x = 302,948.31

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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.