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Finding the Fourth Proportional to 3,341,878.56, 5,012,915.04 and 817,533

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Solution

The fourth proportional to 3,341,878.56, 5,012,915.04 and 817,533 is: 1,226,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,341,878.56 : 5,012,915.04 = 817,533 : x
  2. Step 2: Convert to fraction form
    3,341,878.56/5,012,915.04 = 817,533/x
  3. Step 3: Cross multiply
    3,341,878.56x = 5,012,915.04 × 817,533
  4. Step 4: Simplify right side
    3,341,878.56x = 4,098,223,471,396.32
  5. Step 5: Solve for x
    x = 4,098,223,471,396.32/3,341,878.56
  6. Step 6: Final answer
    x = 1,226,323.28

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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.