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Finding the Fourth Proportional to 628,232.79, 866,960.58 and 341,752.20

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Solution

The fourth proportional to 628,232.79, 866,960.58 and 341,752.20 is: 471,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,232.79 : 866,960.58 = 341,752.20 : x
  2. Step 2: Convert to fraction form
    628,232.79/866,960.58 = 341,752.20/x
  3. Step 3: Cross multiply
    628,232.79x = 866,960.58 × 341,752.20
  4. Step 4: Simplify right side
    628,232.79x = 296,285,685,528.28
  5. Step 5: Solve for x
    x = 296,285,685,528.28/628,232.79
  6. Step 6: Final answer
    x = 471,617.67

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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.