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Finding the Fourth Proportional to 404,012.40, 606,018.60 and 341,804.40

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Solution

The fourth proportional to 404,012.40, 606,018.60 and 341,804.40 is: 512,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,012.40 : 606,018.60 = 341,804.40 : x
  2. Step 2: Convert to fraction form
    404,012.40/606,018.60 = 341,804.40/x
  3. Step 3: Cross multiply
    404,012.40x = 606,018.60 × 341,804.40
  4. Step 4: Simplify right side
    404,012.40x = 207,139,823,961.84
  5. Step 5: Solve for x
    x = 207,139,823,961.84/404,012.40
  6. Step 6: Final answer
    x = 512,706.60

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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.