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Finding the Fourth Proportional to 452,008.01, 678,012.05 and 352,242.88

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Solution

The fourth proportional to 452,008.01, 678,012.05 and 352,242.88 is: 528,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,008.01 : 678,012.05 = 352,242.88 : x
  2. Step 2: Convert to fraction form
    452,008.01/678,012.05 = 352,242.88/x
  3. Step 3: Cross multiply
    452,008.01x = 678,012.05 × 352,242.88
  4. Step 4: Simplify right side
    452,008.01x = 238,824,916,352.28
  5. Step 5: Solve for x
    x = 238,824,916,352.28/452,008.01
  6. Step 6: Final answer
    x = 528,364.34

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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.