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Finding the Fourth Proportional to 579,565.77, 799,800.21 and 324,917.01

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Solution

The fourth proportional to 579,565.77, 799,800.21 and 324,917.01 is: 448,385.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,565.77 : 799,800.21 = 324,917.01 : x
  2. Step 2: Convert to fraction form
    579,565.77/799,800.21 = 324,917.01/x
  3. Step 3: Cross multiply
    579,565.77x = 799,800.21 × 324,917.01
  4. Step 4: Simplify right side
    579,565.77x = 259,868,692,830.57
  5. Step 5: Solve for x
    x = 259,868,692,830.57/579,565.77
  6. Step 6: Final answer
    x = 448,385.16

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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.