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Finding the Fourth Proportional to 480,010.40, 720,015.60 and 164,477.60

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Solution

The fourth proportional to 480,010.40, 720,015.60 and 164,477.60 is: 246,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,010.40 : 720,015.60 = 164,477.60 : x
  2. Step 2: Convert to fraction form
    480,010.40/720,015.60 = 164,477.60/x
  3. Step 3: Cross multiply
    480,010.40x = 720,015.60 × 164,477.60
  4. Step 4: Simplify right side
    480,010.40x = 118,426,437,850.56
  5. Step 5: Solve for x
    x = 118,426,437,850.56/480,010.40
  6. Step 6: Final answer
    x = 246,716.40

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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.