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Finding the Fourth Proportional to 623,093.76, 934,671.60 and 303,539.04

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Solution

The fourth proportional to 623,093.76, 934,671.60 and 303,539.04 is: 455,323.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,093.76 : 934,671.60 = 303,539.04 : x
  2. Step 2: Convert to fraction form
    623,093.76/934,671.60 = 303,539.04/x
  3. Step 3: Cross multiply
    623,093.76x = 934,671.60 × 303,539.04
  4. Step 4: Simplify right side
    623,093.76x = 283,709,320,179.26
  5. Step 5: Solve for x
    x = 283,709,320,179.26/623,093.76
  6. Step 6: Final answer
    x = 455,323.64

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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.