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Finding the Fourth Proportional to 365,888.58, 548,829.72 and 285,993.68

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Solution

The fourth proportional to 365,888.58, 548,829.72 and 285,993.68 is: 428,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,888.58 : 548,829.72 = 285,993.68 : x
  2. Step 2: Convert to fraction form
    365,888.58/548,829.72 = 285,993.68/x
  3. Step 3: Cross multiply
    365,888.58x = 548,829.72 × 285,993.68
  4. Step 4: Simplify right side
    365,888.58x = 156,961,828,572.02
  5. Step 5: Solve for x
    x = 156,961,828,572.02/365,888.58
  6. Step 6: Final answer
    x = 428,988.05

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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.