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Finding the Fourth Proportional to 475,027.80, 713,060.10 and 265,075.80

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Solution

The fourth proportional to 475,027.80, 713,060.10 and 265,075.80 is: 397,902.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,027.80 : 713,060.10 = 265,075.80 : x
  2. Step 2: Convert to fraction form
    475,027.80/713,060.10 = 265,075.80/x
  3. Step 3: Cross multiply
    475,027.80x = 713,060.10 × 265,075.80
  4. Step 4: Simplify right side
    475,027.80x = 189,014,976,455.58
  5. Step 5: Solve for x
    x = 189,014,976,455.58/475,027.80
  6. Step 6: Final answer
    x = 397,902.98

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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.