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Finding the Fourth Proportional to 336,319.56, 504,479.34 and 319,501.80

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Solution

The fourth proportional to 336,319.56, 504,479.34 and 319,501.80 is: 479,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,319.56 : 504,479.34 = 319,501.80 : x
  2. Step 2: Convert to fraction form
    336,319.56/504,479.34 = 319,501.80/x
  3. Step 3: Cross multiply
    336,319.56x = 504,479.34 × 319,501.80
  4. Step 4: Simplify right side
    336,319.56x = 161,182,057,192.81
  5. Step 5: Solve for x
    x = 161,182,057,192.81/336,319.56
  6. Step 6: Final answer
    x = 479,252.70

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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.