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Finding the Fourth Proportional to 276,075.65, 414,117.30 and 181,908.65

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Solution

The fourth proportional to 276,075.65, 414,117.30 and 181,908.65 is: 272,865.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,075.65 : 414,117.30 = 181,908.65 : x
  2. Step 2: Convert to fraction form
    276,075.65/414,117.30 = 181,908.65/x
  3. Step 3: Cross multiply
    276,075.65x = 414,117.30 × 181,908.65
  4. Step 4: Simplify right side
    276,075.65x = 75,331,518,984.65
  5. Step 5: Solve for x
    x = 75,331,518,984.65/276,075.65
  6. Step 6: Final answer
    x = 272,865.50

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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.