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Finding the Fourth Proportional to 442,196.85, 610,233.72 and 251,220.72

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Solution

The fourth proportional to 442,196.85, 610,233.72 and 251,220.72 is: 346,685.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,196.85 : 610,233.72 = 251,220.72 : x
  2. Step 2: Convert to fraction form
    442,196.85/610,233.72 = 251,220.72/x
  3. Step 3: Cross multiply
    442,196.85x = 610,233.72 × 251,220.72
  4. Step 4: Simplify right side
    442,196.85x = 153,303,355,852.98
  5. Step 5: Solve for x
    x = 153,303,355,852.98/442,196.85
  6. Step 6: Final answer
    x = 346,685.77

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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.