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Finding the Fourth Proportional to 1,965,800.03, 2,711,763.54 and 1,352,888.69

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Solution

The fourth proportional to 1,965,800.03, 2,711,763.54 and 1,352,888.69 is: 1,866,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,800.03 : 2,711,763.54 = 1,352,888.69 : x
  2. Step 2: Convert to fraction form
    1,965,800.03/2,711,763.54 = 1,352,888.69/x
  3. Step 3: Cross multiply
    1,965,800.03x = 2,711,763.54 × 1,352,888.69
  4. Step 4: Simplify right side
    1,965,800.03x = 3,668,714,209,661.55
  5. Step 5: Solve for x
    x = 3,668,714,209,661.55/1,965,800.03
  6. Step 6: Final answer
    x = 1,866,270.30

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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.