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Finding the Fourth Proportional to 452,004.69, 678,006.98 and 352,239.53

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Solution

The fourth proportional to 452,004.69, 678,006.98 and 352,239.53 is: 528,359.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,004.69 : 678,006.98 = 352,239.53 : x
  2. Step 2: Convert to fraction form
    452,004.69/678,006.98 = 352,239.53/x
  3. Step 3: Cross multiply
    452,004.69x = 678,006.98 × 352,239.53
  4. Step 4: Simplify right side
    452,004.69x = 238,820,854,820.69
  5. Step 5: Solve for x
    x = 238,820,854,820.69/452,004.69
  6. Step 6: Final answer
    x = 528,359.24

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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.