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Finding the Fourth Proportional to 469,085.93, 647,338.37 and 254,225.96

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Solution

The fourth proportional to 469,085.93, 647,338.37 and 254,225.96 is: 350,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,085.93 : 647,338.37 = 254,225.96 : x
  2. Step 2: Convert to fraction form
    469,085.93/647,338.37 = 254,225.96/x
  3. Step 3: Cross multiply
    469,085.93x = 647,338.37 × 254,225.96
  4. Step 4: Simplify right side
    469,085.93x = 164,570,214,050.26
  5. Step 5: Solve for x
    x = 164,570,214,050.26/469,085.93
  6. Step 6: Final answer
    x = 350,831.70

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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.