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Finding the Fourth Proportional to 404,269.60, 606,404.40 and 297,981.40

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Solution

The fourth proportional to 404,269.60, 606,404.40 and 297,981.40 is: 446,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,269.60 : 606,404.40 = 297,981.40 : x
  2. Step 2: Convert to fraction form
    404,269.60/606,404.40 = 297,981.40/x
  3. Step 3: Cross multiply
    404,269.60x = 606,404.40 × 297,981.40
  4. Step 4: Simplify right side
    404,269.60x = 180,697,232,078.16
  5. Step 5: Solve for x
    x = 180,697,232,078.16/404,269.60
  6. Step 6: Final answer
    x = 446,972.10

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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.