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Finding the Fourth Proportional to 479,106.93, 717,165.33 and 352,889.69

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Solution

The fourth proportional to 479,106.93, 717,165.33 and 352,889.69 is: 528,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,106.93 : 717,165.33 = 352,889.69 : x
  2. Step 2: Convert to fraction form
    479,106.93/717,165.33 = 352,889.69/x
  3. Step 3: Cross multiply
    479,106.93x = 717,165.33 × 352,889.69
  4. Step 4: Simplify right side
    479,106.93x = 253,080,249,189.53
  5. Step 5: Solve for x
    x = 253,080,249,189.53/479,106.93
  6. Step 6: Final answer
    x = 528,233.34

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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.