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Finding the Fourth Proportional to 632,145.40, 946,893.30 and 295,473.40

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Solution

The fourth proportional to 632,145.40, 946,893.30 and 295,473.40 is: 442,590.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,145.40 : 946,893.30 = 295,473.40 : x
  2. Step 2: Convert to fraction form
    632,145.40/946,893.30 = 295,473.40/x
  3. Step 3: Cross multiply
    632,145.40x = 946,893.30 × 295,473.40
  4. Step 4: Simplify right side
    632,145.40x = 279,781,782,788.22
  5. Step 5: Solve for x
    x = 279,781,782,788.22/632,145.40
  6. Step 6: Final answer
    x = 442,590.87

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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.