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Finding the Fourth Proportional to 893,477.60, 1,340,410.80 and 294,336.80

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Solution

The fourth proportional to 893,477.60, 1,340,410.80 and 294,336.80 is: 441,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,477.60 : 1,340,410.80 = 294,336.80 : x
  2. Step 2: Convert to fraction form
    893,477.60/1,340,410.80 = 294,336.80/x
  3. Step 3: Cross multiply
    893,477.60x = 1,340,410.80 × 294,336.80
  4. Step 4: Simplify right side
    893,477.60x = 394,532,225,557.44
  5. Step 5: Solve for x
    x = 394,532,225,557.44/893,477.60
  6. Step 6: Final answer
    x = 441,569.24

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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.