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Finding the Fourth Proportional to 336,485.75, 504,727.00 and 319,666.91

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Solution

The fourth proportional to 336,485.75, 504,727.00 and 319,666.91 is: 479,498.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,485.75 : 504,727.00 = 319,666.91 : x
  2. Step 2: Convert to fraction form
    336,485.75/504,727.00 = 319,666.91/x
  3. Step 3: Cross multiply
    336,485.75x = 504,727.00 × 319,666.91
  4. Step 4: Simplify right side
    336,485.75x = 161,344,517,160.77
  5. Step 5: Solve for x
    x = 161,344,517,160.77/336,485.75
  6. Step 6: Final answer
    x = 479,498.82

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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.