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Finding the Fourth Proportional to 660,033.36, 910,846.62 and 358,227.36

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Solution

The fourth proportional to 660,033.36, 910,846.62 and 358,227.36 is: 494,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,033.36 : 910,846.62 = 358,227.36 : x
  2. Step 2: Convert to fraction form
    660,033.36/910,846.62 = 358,227.36/x
  3. Step 3: Cross multiply
    660,033.36x = 910,846.62 × 358,227.36
  4. Step 4: Simplify right side
    660,033.36x = 326,290,180,047.52
  5. Step 5: Solve for x
    x = 326,290,180,047.52/660,033.36
  6. Step 6: Final answer
    x = 494,354.07

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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.