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Finding the Fourth Proportional to 471,547.89, 650,742.89 and 256,694.67

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Solution

The fourth proportional to 471,547.89, 650,742.89 and 256,694.67 is: 354,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,547.89 : 650,742.89 = 256,694.67 : x
  2. Step 2: Convert to fraction form
    471,547.89/650,742.89 = 256,694.67/x
  3. Step 3: Cross multiply
    471,547.89x = 650,742.89 × 256,694.67
  4. Step 4: Simplify right side
    471,547.89x = 167,042,230,119.92
  5. Step 5: Solve for x
    x = 167,042,230,119.92/471,547.89
  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.