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Finding the Fourth Proportional to 355,558.24, 530,200.84 and 352,357.92

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Solution

The fourth proportional to 355,558.24, 530,200.84 and 352,357.92 is: 525,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,558.24 : 530,200.84 = 352,357.92 : x
  2. Step 2: Convert to fraction form
    355,558.24/530,200.84 = 352,357.92/x
  3. Step 3: Cross multiply
    355,558.24x = 530,200.84 × 352,357.92
  4. Step 4: Simplify right side
    355,558.24x = 186,820,465,164.65
  5. Step 5: Solve for x
    x = 186,820,465,164.65/355,558.24
  6. Step 6: Final answer
    x = 525,428.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.