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Finding the Fourth Proportional to 464,841.54, 641,454.36 and 260,873.40

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Solution

The fourth proportional to 464,841.54, 641,454.36 and 260,873.40 is: 359,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,841.54 : 641,454.36 = 260,873.40 : x
  2. Step 2: Convert to fraction form
    464,841.54/641,454.36 = 260,873.40/x
  3. Step 3: Cross multiply
    464,841.54x = 641,454.36 × 260,873.40
  4. Step 4: Simplify right side
    464,841.54x = 167,338,379,838.02
  5. Step 5: Solve for x
    x = 167,338,379,838.02/464,841.54
  6. Step 6: Final answer
    x = 359,990.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.