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Finding the Fourth Proportional to 632,868.22, 948,641.37 and 380,148.22

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Solution

The fourth proportional to 632,868.22, 948,641.37 and 380,148.22 is: 569,825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,868.22 : 948,641.37 = 380,148.22 : x
  2. Step 2: Convert to fraction form
    632,868.22/948,641.37 = 380,148.22/x
  3. Step 3: Cross multiply
    632,868.22x = 948,641.37 × 380,148.22
  4. Step 4: Simplify right side
    632,868.22x = 360,624,328,223.86
  5. Step 5: Solve for x
    x = 360,624,328,223.86/632,868.22
  6. Step 6: Final answer
    x = 569,825.31

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.