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Finding the Fourth Proportional to 323,328.42, 484,992.72 and 98,690.13

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Solution

The fourth proportional to 323,328.42, 484,992.72 and 98,690.13 is: 148,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,328.42 : 484,992.72 = 98,690.13 : x
  2. Step 2: Convert to fraction form
    323,328.42/484,992.72 = 98,690.13/x
  3. Step 3: Cross multiply
    323,328.42x = 484,992.72 × 98,690.13
  4. Step 4: Simplify right side
    323,328.42x = 47,863,994,585.85
  5. Step 5: Solve for x
    x = 47,863,994,585.85/323,328.42
  6. Step 6: Final answer
    x = 148,035.22

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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.