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Finding the Fourth Proportional to 452,077.59, 678,116.25 and 352,312.41

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Solution

The fourth proportional to 452,077.59, 678,116.25 and 352,312.41 is: 528,468.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,077.59 : 678,116.25 = 352,312.41 : x
  2. Step 2: Convert to fraction form
    452,077.59/678,116.25 = 352,312.41/x
  3. Step 3: Cross multiply
    452,077.59x = 678,116.25 × 352,312.41
  4. Step 4: Simplify right side
    452,077.59x = 238,908,770,297.66
  5. Step 5: Solve for x
    x = 238,908,770,297.66/452,077.59
  6. Step 6: Final answer
    x = 528,468.51

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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.