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Finding the Fourth Proportional to 348,907.60, 523,361.40 and 323,246.80

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Solution

The fourth proportional to 348,907.60, 523,361.40 and 323,246.80 is: 484,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,907.60 : 523,361.40 = 323,246.80 : x
  2. Step 2: Convert to fraction form
    348,907.60/523,361.40 = 323,246.80/x
  3. Step 3: Cross multiply
    348,907.60x = 523,361.40 × 323,246.80
  4. Step 4: Simplify right side
    348,907.60x = 169,174,897,793.52
  5. Step 5: Solve for x
    x = 169,174,897,793.52/348,907.60
  6. Step 6: Final answer
    x = 484,870.20

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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.