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Finding the Fourth Proportional to 359,509.32, 496,122.39 and 198,364.32

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Solution

The fourth proportional to 359,509.32, 496,122.39 and 198,364.32 is: 273,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,509.32 : 496,122.39 = 198,364.32 : x
  2. Step 2: Convert to fraction form
    359,509.32/496,122.39 = 198,364.32/x
  3. Step 3: Cross multiply
    359,509.32x = 496,122.39 × 198,364.32
  4. Step 4: Simplify right side
    359,509.32x = 98,412,980,529.12
  5. Step 5: Solve for x
    x = 98,412,980,529.12/359,509.32
  6. Step 6: Final answer
    x = 273,742.50

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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.