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Finding the Fourth Proportional to 366,135.76, 505,006.76 and 336,018.32

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Solution

The fourth proportional to 366,135.76, 505,006.76 and 336,018.32 is: 463,466.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,135.76 : 505,006.76 = 336,018.32 : x
  2. Step 2: Convert to fraction form
    366,135.76/505,006.76 = 336,018.32/x
  3. Step 3: Cross multiply
    366,135.76x = 505,006.76 × 336,018.32
  4. Step 4: Simplify right side
    366,135.76x = 169,691,523,083.84
  5. Step 5: Solve for x
    x = 169,691,523,083.84/366,135.76
  6. Step 6: Final answer
    x = 463,466.13

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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.