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Finding the Fourth Proportional to 384,009.80, 576,670.80 and 251,477.60

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Solution

The fourth proportional to 384,009.80, 576,670.80 and 251,477.60 is: 377,646.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,009.80 : 576,670.80 = 251,477.60 : x
  2. Step 2: Convert to fraction form
    384,009.80/576,670.80 = 251,477.60/x
  3. Step 3: Cross multiply
    384,009.80x = 576,670.80 × 251,477.60
  4. Step 4: Simplify right side
    384,009.80x = 145,019,788,774.08
  5. Step 5: Solve for x
    x = 145,019,788,774.08/384,009.80
  6. Step 6: Final answer
    x = 377,646.06

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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.