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Finding the Fourth Proportional to 312,444.14, 468,467.55 and 265,075.55

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Solution

The fourth proportional to 312,444.14, 468,467.55 and 265,075.55 is: 397,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,444.14 : 468,467.55 = 265,075.55 : x
  2. Step 2: Convert to fraction form
    312,444.14/468,467.55 = 265,075.55/x
  3. Step 3: Cross multiply
    312,444.14x = 468,467.55 × 265,075.55
  4. Step 4: Simplify right side
    312,444.14x = 124,179,293,473.40
  5. Step 5: Solve for x
    x = 124,179,293,473.40/312,444.14
  6. Step 6: Final answer
    x = 397,444.78

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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.