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Finding the Fourth Proportional to 663,635.50, 995,457.04 and 164,999.50

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Solution

The fourth proportional to 663,635.50, 995,457.04 and 164,999.50 is: 247,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,635.50 : 995,457.04 = 164,999.50 : x
  2. Step 2: Convert to fraction form
    663,635.50/995,457.04 = 164,999.50/x
  3. Step 3: Cross multiply
    663,635.50x = 995,457.04 × 164,999.50
  4. Step 4: Simplify right side
    663,635.50x = 164,249,913,871.48
  5. Step 5: Solve for x
    x = 164,249,913,871.48/663,635.50
  6. Step 6: Final answer
    x = 247,500.19

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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.