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Finding the Fourth Proportional to 471,525.69, 650,720.13 and 256,680.07

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Solution

The fourth proportional to 471,525.69, 650,720.13 and 256,680.07 is: 354,226.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,525.69 : 650,720.13 = 256,680.07 : x
  2. Step 2: Convert to fraction form
    471,525.69/650,720.13 = 256,680.07/x
  3. Step 3: Cross multiply
    471,525.69x = 650,720.13 × 256,680.07
  4. Step 4: Simplify right side
    471,525.69x = 167,026,888,518.81
  5. Step 5: Solve for x
    x = 167,026,888,518.81/471,525.69
  6. Step 6: Final answer
    x = 354,226.49

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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.