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Finding the Fourth Proportional to 336,486.96, 503,699.84 and 217,922.40

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Solution

The fourth proportional to 336,486.96, 503,699.84 and 217,922.40 is: 326,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,486.96 : 503,699.84 = 217,922.40 : x
  2. Step 2: Convert to fraction form
    336,486.96/503,699.84 = 217,922.40/x
  3. Step 3: Cross multiply
    336,486.96x = 503,699.84 × 217,922.40
  4. Step 4: Simplify right side
    336,486.96x = 109,767,478,012.42
  5. Step 5: Solve for x
    x = 109,767,478,012.42/336,486.96
  6. Step 6: Final answer
    x = 326,216.14

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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.