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Finding the Fourth Proportional to 404,345.10, 606,432.60 and 204,477.60

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Solution

The fourth proportional to 404,345.10, 606,432.60 and 204,477.60 is: 306,673.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,345.10 : 606,432.60 = 204,477.60 : x
  2. Step 2: Convert to fraction form
    404,345.10/606,432.60 = 204,477.60/x
  3. Step 3: Cross multiply
    404,345.10x = 606,432.60 × 204,477.60
  4. Step 4: Simplify right side
    404,345.10x = 124,001,882,609.76
  5. Step 5: Solve for x
    x = 124,001,882,609.76/404,345.10
  6. Step 6: Final answer
    x = 306,673.39

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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.