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Finding the Fourth Proportional to 466,847.04, 644,016.22 and 285,242.51

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Solution

The fourth proportional to 466,847.04, 644,016.22 and 285,242.51 is: 393,492.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,847.04 : 644,016.22 = 285,242.51 : x
  2. Step 2: Convert to fraction form
    466,847.04/644,016.22 = 285,242.51/x
  3. Step 3: Cross multiply
    466,847.04x = 644,016.22 × 285,242.51
  4. Step 4: Simplify right side
    466,847.04x = 183,700,803,970.45
  5. Step 5: Solve for x
    x = 183,700,803,970.45/466,847.04
  6. Step 6: Final answer
    x = 393,492.49

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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.