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Finding the Fourth Proportional to 452,053.15, 678,079.73 and 352,287.98

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Solution

The fourth proportional to 452,053.15, 678,079.73 and 352,287.98 is: 528,431.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,053.15 : 678,079.73 = 352,287.98 : x
  2. Step 2: Convert to fraction form
    452,053.15/678,079.73 = 352,287.98/x
  3. Step 3: Cross multiply
    452,053.15x = 678,079.73 × 352,287.98
  4. Step 4: Simplify right side
    452,053.15x = 238,879,341,217.16
  5. Step 5: Solve for x
    x = 238,879,341,217.16/452,053.15
  6. Step 6: Final answer
    x = 528,431.98

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Similar ratio
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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.