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Finding the Fourth Proportional to 660,033.64, 910,846.20 and 358,227.64

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Solution

The fourth proportional to 660,033.64, 910,846.20 and 358,227.64 is: 494,354.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,033.64 : 910,846.20 = 358,227.64 : x
  2. Step 2: Convert to fraction form
    660,033.64/910,846.20 = 358,227.64/x
  3. Step 3: Cross multiply
    660,033.64x = 910,846.20 × 358,227.64
  4. Step 4: Simplify right side
    660,033.64x = 326,290,284,628.97
  5. Step 5: Solve for x
    x = 326,290,284,628.97/660,033.64
  6. Step 6: Final answer
    x = 494,354.02

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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.