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Finding the Fourth Proportional to 452,040.41, 678,060.52 and 352,275.21

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Solution

The fourth proportional to 452,040.41, 678,060.52 and 352,275.21 is: 528,412.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,040.41 : 678,060.52 = 352,275.21 : x
  2. Step 2: Convert to fraction form
    452,040.41/678,060.52 = 352,275.21/x
  3. Step 3: Cross multiply
    452,040.41x = 678,060.52 × 352,275.21
  4. Step 4: Simplify right side
    452,040.41x = 238,863,911,195.02
  5. Step 5: Solve for x
    x = 238,863,911,195.02/452,040.41
  6. Step 6: Final answer
    x = 528,412.74

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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.