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Finding the Fourth Proportional to 352,268.46, 528,275.25 and 149,878.08

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Solution

The fourth proportional to 352,268.46, 528,275.25 and 149,878.08 is: 224,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,268.46 : 528,275.25 = 149,878.08 : x
  2. Step 2: Convert to fraction form
    352,268.46/528,275.25 = 149,878.08/x
  3. Step 3: Cross multiply
    352,268.46x = 528,275.25 × 149,878.08
  4. Step 4: Simplify right side
    352,268.46x = 79,176,880,181.52
  5. Step 5: Solve for x
    x = 79,176,880,181.52/352,268.46
  6. Step 6: Final answer
    x = 224,762.90

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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.