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Finding the Fourth Proportional to 358,464.40, 537,696.60 and 340,968.40

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Solution

The fourth proportional to 358,464.40, 537,696.60 and 340,968.40 is: 511,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,464.40 : 537,696.60 = 340,968.40 : x
  2. Step 2: Convert to fraction form
    358,464.40/537,696.60 = 340,968.40/x
  3. Step 3: Cross multiply
    358,464.40x = 537,696.60 × 340,968.40
  4. Step 4: Simplify right side
    358,464.40x = 183,337,549,387.44
  5. Step 5: Solve for x
    x = 183,337,549,387.44/358,464.40
  6. Step 6: Final answer
    x = 511,452.60

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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.