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Finding the Fourth Proportional to 480,015.40, 720,023.10 and 164,482.60

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Solution

The fourth proportional to 480,015.40, 720,023.10 and 164,482.60 is: 246,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,015.40 : 720,023.10 = 164,482.60 : x
  2. Step 2: Convert to fraction form
    480,015.40/720,023.10 = 164,482.60/x
  3. Step 3: Cross multiply
    480,015.40x = 720,023.10 × 164,482.60
  4. Step 4: Simplify right side
    480,015.40x = 118,431,271,548.06
  5. Step 5: Solve for x
    x = 118,431,271,548.06/480,015.40
  6. Step 6: Final answer
    x = 246,723.90

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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.