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Finding the Fourth Proportional to 439,898.65, 607,072.93 and 248,907.94

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Solution

The fourth proportional to 439,898.65, 607,072.93 and 248,907.94 is: 343,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,898.65 : 607,072.93 = 248,907.94 : x
  2. Step 2: Convert to fraction form
    439,898.65/607,072.93 = 248,907.94/x
  3. Step 3: Cross multiply
    439,898.65x = 607,072.93 × 248,907.94
  4. Step 4: Simplify right side
    439,898.65x = 151,105,270,296.11
  5. Step 5: Solve for x
    x = 151,105,270,296.11/439,898.65
  6. Step 6: Final answer
    x = 343,500.19

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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.