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Finding the Fourth Proportional to 607,994.73, 838,947.01 and 346,356.92

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Solution

The fourth proportional to 607,994.73, 838,947.01 and 346,356.92 is: 477,923.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,994.73 : 838,947.01 = 346,356.92 : x
  2. Step 2: Convert to fraction form
    607,994.73/838,947.01 = 346,356.92/x
  3. Step 3: Cross multiply
    607,994.73x = 838,947.01 × 346,356.92
  4. Step 4: Simplify right side
    607,994.73x = 290,575,100,787.34
  5. Step 5: Solve for x
    x = 290,575,100,787.34/607,994.73
  6. Step 6: Final answer
    x = 477,923.71

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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.