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Finding the Fourth Proportional to 328,993.04, 493,639.80 and 179,008.40

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Solution

The fourth proportional to 328,993.04, 493,639.80 and 179,008.40 is: 268,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,993.04 : 493,639.80 = 179,008.40 : x
  2. Step 2: Convert to fraction form
    328,993.04/493,639.80 = 179,008.40/x
  3. Step 3: Cross multiply
    328,993.04x = 493,639.80 × 179,008.40
  4. Step 4: Simplify right side
    328,993.04x = 88,365,670,774.32
  5. Step 5: Solve for x
    x = 88,365,670,774.32/328,993.04
  6. Step 6: Final answer
    x = 268,594.35

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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.