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Finding the Fourth Proportional to 452,054.53, 678,081.80 and 352,289.37

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Solution

The fourth proportional to 452,054.53, 678,081.80 and 352,289.37 is: 528,434.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,054.53 : 678,081.80 = 352,289.37 : x
  2. Step 2: Convert to fraction form
    452,054.53/678,081.80 = 352,289.37/x
  3. Step 3: Cross multiply
    452,054.53x = 678,081.80 × 352,289.37
  4. Step 4: Simplify right side
    452,054.53x = 238,881,004,978.61
  5. Step 5: Solve for x
    x = 238,881,004,978.61/452,054.53
  6. Step 6: Final answer
    x = 528,434.04

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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.