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Finding the Fourth Proportional to 1,352,385, 1,866,349.62 and 748,773

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Solution

The fourth proportional to 1,352,385, 1,866,349.62 and 748,773 is: 1,033,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,385 : 1,866,349.62 = 748,773 : x
  2. Step 2: Convert to fraction form
    1,352,385/1,866,349.62 = 748,773/x
  3. Step 3: Cross multiply
    1,352,385x = 1,866,349.62 × 748,773
  4. Step 4: Simplify right side
    1,352,385x = 1,397,472,204,016.26
  5. Step 5: Solve for x
    x = 1,397,472,204,016.26/1,352,385
  6. Step 6: Final answer
    x = 1,033,339.03

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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.