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Finding the Fourth Proportional to 275,271.90, 412,907.85 and 88,302.30

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Solution

The fourth proportional to 275,271.90, 412,907.85 and 88,302.30 is: 132,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,271.90 : 412,907.85 = 88,302.30 : x
  2. Step 2: Convert to fraction form
    275,271.90/412,907.85 = 88,302.30/x
  3. Step 3: Cross multiply
    275,271.90x = 412,907.85 × 88,302.30
  4. Step 4: Simplify right side
    275,271.90x = 36,460,712,843.06
  5. Step 5: Solve for x
    x = 36,460,712,843.06/275,271.90
  6. Step 6: Final answer
    x = 132,453.45

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1.5x scale

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.