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Finding the Fourth Proportional to 384,359.04, 576,538.56 and 173,992.32

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Solution

The fourth proportional to 384,359.04, 576,538.56 and 173,992.32 is: 260,988.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,359.04 : 576,538.56 = 173,992.32 : x
  2. Step 2: Convert to fraction form
    384,359.04/576,538.56 = 173,992.32/x
  3. Step 3: Cross multiply
    384,359.04x = 576,538.56 × 173,992.32
  4. Step 4: Simplify right side
    384,359.04x = 100,313,281,623.86
  5. Step 5: Solve for x
    x = 100,313,281,623.86/384,359.04
  6. Step 6: Final answer
    x = 260,988.48

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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.