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Finding the Fourth Proportional to 324,075.96, 447,158.08 and 186,228.28

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Solution

The fourth proportional to 324,075.96, 447,158.08 and 186,228.28 is: 256,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,075.96 : 447,158.08 = 186,228.28 : x
  2. Step 2: Convert to fraction form
    324,075.96/447,158.08 = 186,228.28/x
  3. Step 3: Cross multiply
    324,075.96x = 447,158.08 × 186,228.28
  4. Step 4: Simplify right side
    324,075.96x = 83,273,480,126.50
  5. Step 5: Solve for x
    x = 83,273,480,126.50/324,075.96
  6. Step 6: Final answer
    x = 256,956.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.