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Finding the Fourth Proportional to 320,150.03, 480,308.07 and 170,267.07

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Solution

The fourth proportional to 320,150.03, 480,308.07 and 170,267.07 is: 255,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,150.03 : 480,308.07 = 170,267.07 : x
  2. Step 2: Convert to fraction form
    320,150.03/480,308.07 = 170,267.07/x
  3. Step 3: Cross multiply
    320,150.03x = 480,308.07 × 170,267.07
  4. Step 4: Simplify right side
    320,150.03x = 81,780,649,577.41
  5. Step 5: Solve for x
    x = 81,780,649,577.41/320,150.03
  6. Step 6: Final answer
    x = 255,444.77

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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.