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Finding the Fourth Proportional to 366,989.80, 550,484.70 and 334,330.60

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Solution

The fourth proportional to 366,989.80, 550,484.70 and 334,330.60 is: 501,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,989.80 : 550,484.70 = 334,330.60 : x
  2. Step 2: Convert to fraction form
    366,989.80/550,484.70 = 334,330.60/x
  3. Step 3: Cross multiply
    366,989.80x = 550,484.70 × 334,330.60
  4. Step 4: Simplify right side
    366,989.80x = 184,043,880,041.82
  5. Step 5: Solve for x
    x = 184,043,880,041.82/366,989.80
  6. Step 6: Final answer
    x = 501,495.90

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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.