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Finding the Fourth Proportional to 472,394.03, 651,697.99 and 300,219.72

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Solution

The fourth proportional to 472,394.03, 651,697.99 and 300,219.72 is: 414,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,394.03 : 651,697.99 = 300,219.72 : x
  2. Step 2: Convert to fraction form
    472,394.03/651,697.99 = 300,219.72/x
  3. Step 3: Cross multiply
    472,394.03x = 651,697.99 × 300,219.72
  4. Step 4: Simplify right side
    472,394.03x = 195,652,588,082.36
  5. Step 5: Solve for x
    x = 195,652,588,082.36/472,394.03
  6. Step 6: Final answer
    x = 414,172.44

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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.