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Finding the Fourth Proportional to 298,907.01, 448,442.53 and 148,966.29

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Solution

The fourth proportional to 298,907.01, 448,442.53 and 148,966.29 is: 223,490.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,907.01 : 448,442.53 = 148,966.29 : x
  2. Step 2: Convert to fraction form
    298,907.01/448,442.53 = 148,966.29/x
  3. Step 3: Cross multiply
    298,907.01x = 448,442.53 × 148,966.29
  4. Step 4: Simplify right side
    298,907.01x = 66,802,819,599.90
  5. Step 5: Solve for x
    x = 66,802,819,599.90/298,907.01
  6. Step 6: Final answer
    x = 223,490.31

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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.