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Finding the Fourth Proportional to 1,835,696.48, 2,533,271.28 and 1,019,901.28

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Solution

The fourth proportional to 1,835,696.48, 2,533,271.28 and 1,019,901.28 is: 1,407,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835,696.48 : 2,533,271.28 = 1,019,901.28 : x
  2. Step 2: Convert to fraction form
    1,835,696.48/2,533,271.28 = 1,019,901.28/x
  3. Step 3: Cross multiply
    1,835,696.48x = 2,533,271.28 × 1,019,901.28
  4. Step 4: Simplify right side
    1,835,696.48x = 2,583,686,621,059.24
  5. Step 5: Solve for x
    x = 2,583,686,621,059.24/1,835,696.48
  6. Step 6: Final answer
    x = 1,407,469.40

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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.