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Finding the Fourth Proportional to 898,334.69, 1,346,380.64 and 449,184

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Solution

The fourth proportional to 898,334.69, 1,346,380.64 and 449,184 is: 673,215.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,334.69 : 1,346,380.64 = 449,184 : x
  2. Step 2: Convert to fraction form
    898,334.69/1,346,380.64 = 449,184/x
  3. Step 3: Cross multiply
    898,334.69x = 1,346,380.64 × 449,184
  4. Step 4: Simplify right side
    898,334.69x = 604,772,641,397.76
  5. Step 5: Solve for x
    x = 604,772,641,397.76/898,334.69
  6. Step 6: Final answer
    x = 673,215.28

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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.