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Finding the Fourth Proportional to 404,880.30, 607,320.45 and 341,894.70

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Solution

The fourth proportional to 404,880.30, 607,320.45 and 341,894.70 is: 512,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,880.30 : 607,320.45 = 341,894.70 : x
  2. Step 2: Convert to fraction form
    404,880.30/607,320.45 = 341,894.70/x
  3. Step 3: Cross multiply
    404,880.30x = 607,320.45 × 341,894.70
  4. Step 4: Simplify right side
    404,880.30x = 207,639,643,056.62
  5. Step 5: Solve for x
    x = 207,639,643,056.62/404,880.30
  6. Step 6: Final answer
    x = 512,842.05

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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.