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Finding the Fourth Proportional to 434,076.60, 651,806.10 and 294,454.20

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Solution

The fourth proportional to 434,076.60, 651,806.10 and 294,454.20 is: 442,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,076.60 : 651,806.10 = 294,454.20 : x
  2. Step 2: Convert to fraction form
    434,076.60/651,806.10 = 294,454.20/x
  3. Step 3: Cross multiply
    434,076.60x = 651,806.10 × 294,454.20
  4. Step 4: Simplify right side
    434,076.60x = 191,927,043,730.62
  5. Step 5: Solve for x
    x = 191,927,043,730.62/434,076.60
  6. Step 6: Final answer
    x = 442,150.17

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