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Finding the Fourth Proportional to 370,852.80, 556,279.20 and 252,754.80

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Solution

The fourth proportional to 370,852.80, 556,279.20 and 252,754.80 is: 379,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,852.80 : 556,279.20 = 252,754.80 : x
  2. Step 2: Convert to fraction form
    370,852.80/556,279.20 = 252,754.80/x
  3. Step 3: Cross multiply
    370,852.80x = 556,279.20 × 252,754.80
  4. Step 4: Simplify right side
    370,852.80x = 140,602,237,940.16
  5. Step 5: Solve for x
    x = 140,602,237,940.16/370,852.80
  6. Step 6: Final answer
    x = 379,132.20

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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.