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Finding the Fourth Proportional to 621,052.22, 856,925.38 and 362,879.25

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Solution

The fourth proportional to 621,052.22, 856,925.38 and 362,879.25 is: 500,699.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,052.22 : 856,925.38 = 362,879.25 : x
  2. Step 2: Convert to fraction form
    621,052.22/856,925.38 = 362,879.25/x
  3. Step 3: Cross multiply
    621,052.22x = 856,925.38 × 362,879.25
  4. Step 4: Simplify right side
    621,052.22x = 310,960,439,200.37
  5. Step 5: Solve for x
    x = 310,960,439,200.37/621,052.22
  6. Step 6: Final answer
    x = 500,699.34

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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.