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Finding the Fourth Proportional to 471,571.20, 650,746.98 and 256,705.74

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Solution

The fourth proportional to 471,571.20, 650,746.98 and 256,705.74 is: 354,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,571.20 : 650,746.98 = 256,705.74 : x
  2. Step 2: Convert to fraction form
    471,571.20/650,746.98 = 256,705.74/x
  3. Step 3: Cross multiply
    471,571.20x = 650,746.98 × 256,705.74
  4. Step 4: Simplify right side
    471,571.20x = 167,050,485,053.67
  5. Step 5: Solve for x
    x = 167,050,485,053.67/471,571.20
  6. Step 6: Final answer
    x = 354,242.34

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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.