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Finding the Fourth Proportional to 341,291.70, 512,921.70 and 297,989.10

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Solution

The fourth proportional to 341,291.70, 512,921.70 and 297,989.10 is: 447,842.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,291.70 : 512,921.70 = 297,989.10 : x
  2. Step 2: Convert to fraction form
    341,291.70/512,921.70 = 297,989.10/x
  3. Step 3: Cross multiply
    341,291.70x = 512,921.70 × 297,989.10
  4. Step 4: Simplify right side
    341,291.70x = 152,845,075,753.47
  5. Step 5: Solve for x
    x = 152,845,075,753.47/341,291.70
  6. Step 6: Final answer
    x = 447,842.93

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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.