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Finding the Fourth Proportional to 1,835,583.38, 2,752,429.65 and 823,838.00

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Solution

The fourth proportional to 1,835,583.38, 2,752,429.65 and 823,838.00 is: 1,235,332.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835,583.38 : 2,752,429.65 = 823,838.00 : x
  2. Step 2: Convert to fraction form
    1,835,583.38/2,752,429.65 = 823,838.00/x
  3. Step 3: Cross multiply
    1,835,583.38x = 2,752,429.65 × 823,838.00
  4. Step 4: Simplify right side
    1,835,583.38x = 2,267,556,121,145.16
  5. Step 5: Solve for x
    x = 2,267,556,121,145.16/1,835,583.38
  6. Step 6: Final answer
    x = 1,235,332.67

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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.