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Finding the Fourth Proportional to 452,017.01, 678,025.55 and 352,251.88

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Solution

The fourth proportional to 452,017.01, 678,025.55 and 352,251.88 is: 528,377.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,017.01 : 678,025.55 = 352,251.88 : x
  2. Step 2: Convert to fraction form
    452,017.01/678,025.55 = 352,251.88/x
  3. Step 3: Cross multiply
    452,017.01x = 678,025.55 × 352,251.88
  4. Step 4: Simplify right side
    452,017.01x = 238,835,773,861.10
  5. Step 5: Solve for x
    x = 238,835,773,861.10/452,017.01
  6. Step 6: Final answer
    x = 528,377.84

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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.