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Finding the Fourth Proportional to 323,997.04, 486,010.20 and 99,341.08

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Solution

The fourth proportional to 323,997.04, 486,010.20 and 99,341.08 is: 149,016.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,997.04 : 486,010.20 = 99,341.08 : x
  2. Step 2: Convert to fraction form
    323,997.04/486,010.20 = 99,341.08/x
  3. Step 3: Cross multiply
    323,997.04x = 486,010.20 × 99,341.08
  4. Step 4: Simplify right side
    323,997.04x = 48,280,778,159.02
  5. Step 5: Solve for x
    x = 48,280,778,159.02/323,997.04
  6. Step 6: Final answer
    x = 149,016.11

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1.5x scale

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.