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Finding the Fourth Proportional to 416,984.10, 626,168.04 and 260,208.96

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Solution

The fourth proportional to 416,984.10, 626,168.04 and 260,208.96 is: 390,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,984.10 : 626,168.04 = 260,208.96 : x
  2. Step 2: Convert to fraction form
    416,984.10/626,168.04 = 260,208.96/x
  3. Step 3: Cross multiply
    416,984.10x = 626,168.04 × 260,208.96
  4. Step 4: Simplify right side
    416,984.10x = 162,934,534,473.64
  5. Step 5: Solve for x
    x = 162,934,534,473.64/416,984.10
  6. Step 6: Final answer
    x = 390,745.20

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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.