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Finding the Fourth Proportional to 505,330.48, 758,391.72 and 352,533.88

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Solution

The fourth proportional to 505,330.48, 758,391.72 and 352,533.88 is: 529,077.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,330.48 : 758,391.72 = 352,533.88 : x
  2. Step 2: Convert to fraction form
    505,330.48/758,391.72 = 352,533.88/x
  3. Step 3: Cross multiply
    505,330.48x = 758,391.72 × 352,533.88
  4. Step 4: Simplify right side
    505,330.48x = 267,358,775,611.47
  5. Step 5: Solve for x
    x = 267,358,775,611.47/505,330.48
  6. Step 6: Final answer
    x = 529,077.08

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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.