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Finding the Fourth Proportional to 472,199.22, 651,519.45 and 302,662.98

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Solution

The fourth proportional to 472,199.22, 651,519.45 and 302,662.98 is: 417,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,199.22 : 651,519.45 = 302,662.98 : x
  2. Step 2: Convert to fraction form
    472,199.22/651,519.45 = 302,662.98/x
  3. Step 3: Cross multiply
    472,199.22x = 651,519.45 × 302,662.98
  4. Step 4: Simplify right side
    472,199.22x = 197,190,818,264.96
  5. Step 5: Solve for x
    x = 197,190,818,264.96/472,199.22
  6. Step 6: Final answer
    x = 417,600.90

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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.