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Finding the Fourth Proportional to 1,604,212, 2,213,812.56 and 888,820

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Solution

The fourth proportional to 1,604,212, 2,213,812.56 and 888,820 is: 1,226,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,212 : 2,213,812.56 = 888,820 : x
  2. Step 2: Convert to fraction form
    1,604,212/2,213,812.56 = 888,820/x
  3. Step 3: Cross multiply
    1,604,212x = 2,213,812.56 × 888,820
  4. Step 4: Simplify right side
    1,604,212x = 1,967,680,879,579.20
  5. Step 5: Solve for x
    x = 1,967,680,879,579.20/1,604,212
  6. Step 6: Final answer
    x = 1,226,571.60

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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.