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Finding the Fourth Proportional to 468,189.72, 646,099.74 and 253,333.58

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Solution

The fourth proportional to 468,189.72, 646,099.74 and 253,333.58 is: 349,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,189.72 : 646,099.74 = 253,333.58 : x
  2. Step 2: Convert to fraction form
    468,189.72/646,099.74 = 253,333.58/x
  3. Step 3: Cross multiply
    468,189.72x = 646,099.74 × 253,333.58
  4. Step 4: Simplify right side
    468,189.72x = 163,678,756,940.77
  5. Step 5: Solve for x
    x = 163,678,756,940.77/468,189.72
  6. Step 6: Final answer
    x = 349,599.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.