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Finding the Fourth Proportional to 590,018.80, 884,509.80 and 353,455.60

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Solution

The fourth proportional to 590,018.80, 884,509.80 and 353,455.60 is: 529,872.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,018.80 : 884,509.80 = 353,455.60 : x
  2. Step 2: Convert to fraction form
    590,018.80/884,509.80 = 353,455.60/x
  3. Step 3: Cross multiply
    590,018.80x = 884,509.80 × 353,455.60
  4. Step 4: Simplify right side
    590,018.80x = 312,634,942,064.88
  5. Step 5: Solve for x
    x = 312,634,942,064.88/590,018.80
  6. Step 6: Final answer
    x = 529,872.85

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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.