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Finding the Fourth Proportional to 632,361.08, 872,651.94 and 345,886.76

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Solution

The fourth proportional to 632,361.08, 872,651.94 and 345,886.76 is: 477,320.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,361.08 : 872,651.94 = 345,886.76 : x
  2. Step 2: Convert to fraction form
    632,361.08/872,651.94 = 345,886.76/x
  3. Step 3: Cross multiply
    632,361.08x = 872,651.94 × 345,886.76
  4. Step 4: Simplify right side
    632,361.08x = 301,838,752,134.31
  5. Step 5: Solve for x
    x = 301,838,752,134.31/632,361.08
  6. Step 6: Final answer
    x = 477,320.26

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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.