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Finding the Fourth Proportional to 336,774.65, 504,820.14 and 287,616.35

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Solution

The fourth proportional to 336,774.65, 504,820.14 and 287,616.35 is: 431,132.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,774.65 : 504,820.14 = 287,616.35 : x
  2. Step 2: Convert to fraction form
    336,774.65/504,820.14 = 287,616.35/x
  3. Step 3: Cross multiply
    336,774.65x = 504,820.14 × 287,616.35
  4. Step 4: Simplify right side
    336,774.65x = 145,194,523,549.19
  5. Step 5: Solve for x
    x = 145,194,523,549.19/336,774.65
  6. Step 6: Final answer
    x = 431,132.59

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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.