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Finding the Fourth Proportional to 471,620.76, 650,840.58 and 256,762.32

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Solution

The fourth proportional to 471,620.76, 650,840.58 and 256,762.32 is: 354,334.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,620.76 : 650,840.58 = 256,762.32 : x
  2. Step 2: Convert to fraction form
    471,620.76/650,840.58 = 256,762.32/x
  3. Step 3: Cross multiply
    471,620.76x = 650,840.58 × 256,762.32
  4. Step 4: Simplify right side
    471,620.76x = 167,111,337,270.95
  5. Step 5: Solve for x
    x = 167,111,337,270.95/471,620.76
  6. Step 6: Final answer
    x = 354,334.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.