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Finding the Fourth Proportional to 359,529.51, 496,349.60 and 216,324.75

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Solution

The fourth proportional to 359,529.51, 496,349.60 and 216,324.75 is: 298,647.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,529.51 : 496,349.60 = 216,324.75 : x
  2. Step 2: Convert to fraction form
    359,529.51/496,349.60 = 216,324.75/x
  3. Step 3: Cross multiply
    359,529.51x = 496,349.60 × 216,324.75
  4. Step 4: Simplify right side
    359,529.51x = 107,372,702,050.98
  5. Step 5: Solve for x
    x = 107,372,702,050.98/359,529.51
  6. Step 6: Final answer
    x = 298,647.81

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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.