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Finding the Fourth Proportional to 452,404.44, 678,639.60 and 152,785.44

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Solution

The fourth proportional to 452,404.44, 678,639.60 and 152,785.44 is: 229,189.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,404.44 : 678,639.60 = 152,785.44 : x
  2. Step 2: Convert to fraction form
    452,404.44/678,639.60 = 152,785.44/x
  3. Step 3: Cross multiply
    452,404.44x = 678,639.60 × 152,785.44
  4. Step 4: Simplify right side
    452,404.44x = 103,686,249,887.42
  5. Step 5: Solve for x
    x = 103,686,249,887.42/452,404.44
  6. Step 6: Final answer
    x = 229,189.28

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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.