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Finding the Fourth Proportional to 365,811.74, 548,816.22 and 152,508.76

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Solution

The fourth proportional to 365,811.74, 548,816.22 and 152,508.76 is: 228,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,811.74 : 548,816.22 = 152,508.76 : x
  2. Step 2: Convert to fraction form
    365,811.74/548,816.22 = 152,508.76/x
  3. Step 3: Cross multiply
    365,811.74x = 548,816.22 × 152,508.76
  4. Step 4: Simplify right side
    365,811.74x = 83,699,281,180.09
  5. Step 5: Solve for x
    x = 83,699,281,180.09/365,811.74
  6. Step 6: Final answer
    x = 228,804.25

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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.