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Finding the Fourth Proportional to 336,321.56, 504,482.34 and 319,503.80

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Solution

The fourth proportional to 336,321.56, 504,482.34 and 319,503.80 is: 479,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,321.56 : 504,482.34 = 319,503.80 : x
  2. Step 2: Convert to fraction form
    336,321.56/504,482.34 = 319,503.80/x
  3. Step 3: Cross multiply
    336,321.56x = 504,482.34 × 319,503.80
  4. Step 4: Simplify right side
    336,321.56x = 161,184,024,662.89
  5. Step 5: Solve for x
    x = 161,184,024,662.89/336,321.56
  6. Step 6: Final answer
    x = 479,255.70

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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.