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Finding the Fourth Proportional to 434,843.10, 652,264.65 and 403,350.30

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Solution

The fourth proportional to 434,843.10, 652,264.65 and 403,350.30 is: 605,025.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,843.10 : 652,264.65 = 403,350.30 : x
  2. Step 2: Convert to fraction form
    434,843.10/652,264.65 = 403,350.30/x
  3. Step 3: Cross multiply
    434,843.10x = 652,264.65 × 403,350.30
  4. Step 4: Simplify right side
    434,843.10x = 263,091,142,256.90
  5. Step 5: Solve for x
    x = 263,091,142,256.90/434,843.10
  6. Step 6: Final answer
    x = 605,025.45

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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.