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Finding the Fourth Proportional to 1,602,039, 2,210,820.30 and 886,647

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Solution

The fourth proportional to 1,602,039, 2,210,820.30 and 886,647 is: 1,223,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,039 : 2,210,820.30 = 886,647 : x
  2. Step 2: Convert to fraction form
    1,602,039/2,210,820.30 = 886,647/x
  3. Step 3: Cross multiply
    1,602,039x = 2,210,820.30 × 886,647
  4. Step 4: Simplify right side
    1,602,039x = 1,960,217,186,534.10
  5. Step 5: Solve for x
    x = 1,960,217,186,534.10/1,602,039
  6. Step 6: Final answer
    x = 1,223,576.45

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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.