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Finding the Fourth Proportional to 584,321.42, 806,347.22 and 329,696.30

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Solution

The fourth proportional to 584,321.42, 806,347.22 and 329,696.30 is: 454,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,321.42 : 806,347.22 = 329,696.30 : x
  2. Step 2: Convert to fraction form
    584,321.42/806,347.22 = 329,696.30/x
  3. Step 3: Cross multiply
    584,321.42x = 806,347.22 × 329,696.30
  4. Step 4: Simplify right side
    584,321.42x = 265,849,694,949.29
  5. Step 5: Solve for x
    x = 265,849,694,949.29/584,321.42
  6. Step 6: Final answer
    x = 454,971.67

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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.