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Finding the Fourth Proportional to 282,352.56, 389,828.88 and 175,037.28

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Solution

The fourth proportional to 282,352.56, 389,828.88 and 175,037.28 is: 241,664.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,352.56 : 389,828.88 = 175,037.28 : x
  2. Step 2: Convert to fraction form
    282,352.56/389,828.88 = 175,037.28/x
  3. Step 3: Cross multiply
    282,352.56x = 389,828.88 × 175,037.28
  4. Step 4: Simplify right side
    282,352.56x = 68,234,586,820.65
  5. Step 5: Solve for x
    x = 68,234,586,820.65/282,352.56
  6. Step 6: Final answer
    x = 241,664.49

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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.