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Finding the Fourth Proportional to 452,666.92, 624,710.82 and 261,728.68

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Solution

The fourth proportional to 452,666.92, 624,710.82 and 261,728.68 is: 361,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,666.92 : 624,710.82 = 261,728.68 : x
  2. Step 2: Convert to fraction form
    452,666.92/624,710.82 = 261,728.68/x
  3. Step 3: Cross multiply
    452,666.92x = 624,710.82 × 261,728.68
  4. Step 4: Simplify right side
    452,666.92x = 163,504,738,300.32
  5. Step 5: Solve for x
    x = 163,504,738,300.32/452,666.92
  6. Step 6: Final answer
    x = 361,203.20

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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.