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Finding the Fourth Proportional to 346,089.40, 518,745.30 and 177,544.60

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Solution

The fourth proportional to 346,089.40, 518,745.30 and 177,544.60 is: 266,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,089.40 : 518,745.30 = 177,544.60 : x
  2. Step 2: Convert to fraction form
    346,089.40/518,745.30 = 177,544.60/x
  3. Step 3: Cross multiply
    346,089.40x = 518,745.30 × 177,544.60
  4. Step 4: Simplify right side
    346,089.40x = 92,100,426,790.38
  5. Step 5: Solve for x
    x = 92,100,426,790.38/346,089.40
  6. Step 6: Final answer
    x = 266,117.44

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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.