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Finding the Fourth Proportional to 452,479.53, 678,720.51 and 152,879.97

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Solution

The fourth proportional to 452,479.53, 678,720.51 and 152,879.97 is: 229,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,479.53 : 678,720.51 = 152,879.97 : x
  2. Step 2: Convert to fraction form
    452,479.53/678,720.51 = 152,879.97/x
  3. Step 3: Cross multiply
    452,479.53x = 678,720.51 × 152,879.97
  4. Step 4: Simplify right side
    452,479.53x = 103,762,771,207.19
  5. Step 5: Solve for x
    x = 103,762,771,207.19/452,479.53
  6. Step 6: Final answer
    x = 229,320.37

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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.