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Finding the Fourth Proportional to 3,224,823.39, 4,837,934.91 and 980,903.07

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Solution

The fourth proportional to 3,224,823.39, 4,837,934.91 and 980,903.07 is: 1,471,567.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224,823.39 : 4,837,934.91 = 980,903.07 : x
  2. Step 2: Convert to fraction form
    3,224,823.39/4,837,934.91 = 980,903.07/x
  3. Step 3: Cross multiply
    3,224,823.39x = 4,837,934.91 × 980,903.07
  4. Step 4: Simplify right side
    3,224,823.39x = 4,745,545,205,679.17
  5. Step 5: Solve for x
    x = 4,745,545,205,679.17/3,224,823.39
  6. Step 6: Final answer
    x = 1,471,567.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.