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Finding the Fourth Proportional to 362,771.60, 499,303.44 and 319,467.65

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Solution

The fourth proportional to 362,771.60, 499,303.44 and 319,467.65 is: 439,701.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,771.60 : 499,303.44 = 319,467.65 : x
  2. Step 2: Convert to fraction form
    362,771.60/499,303.44 = 319,467.65/x
  3. Step 3: Cross multiply
    362,771.60x = 499,303.44 × 319,467.65
  4. Step 4: Simplify right side
    362,771.60x = 159,511,294,117.20
  5. Step 5: Solve for x
    x = 159,511,294,117.20/362,771.60
  6. Step 6: Final answer
    x = 439,701.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.