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Finding the Fourth Proportional to 452,712.30, 624,706.41 and 261,738

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Solution

The fourth proportional to 452,712.30, 624,706.41 and 261,738 is: 361,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,712.30 : 624,706.41 = 261,738 : x
  2. Step 2: Convert to fraction form
    452,712.30/624,706.41 = 261,738/x
  3. Step 3: Cross multiply
    452,712.30x = 624,706.41 × 261,738
  4. Step 4: Simplify right side
    452,712.30x = 163,509,406,340.58
  5. Step 5: Solve for x
    x = 163,509,406,340.58/452,712.30
  6. Step 6: Final answer
    x = 361,177.30

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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.