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Finding the Fourth Proportional to 479,548.30, 719,057.54 and 301,674.72

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Solution

The fourth proportional to 479,548.30, 719,057.54 and 301,674.72 is: 452,345.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,548.30 : 719,057.54 = 301,674.72 : x
  2. Step 2: Convert to fraction form
    479,548.30/719,057.54 = 301,674.72/x
  3. Step 3: Cross multiply
    479,548.30x = 719,057.54 × 301,674.72
  4. Step 4: Simplify right side
    479,548.30x = 216,921,482,043.39
  5. Step 5: Solve for x
    x = 216,921,482,043.39/479,548.30
  6. Step 6: Final answer
    x = 452,345.43

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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.