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Finding the Fourth Proportional to 452,878.80, 624,813.34 and 271,649.40

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Solution

The fourth proportional to 452,878.80, 624,813.34 and 271,649.40 is: 374,780.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,878.80 : 624,813.34 = 271,649.40 : x
  2. Step 2: Convert to fraction form
    452,878.80/624,813.34 = 271,649.40/x
  3. Step 3: Cross multiply
    452,878.80x = 624,813.34 × 271,649.40
  4. Step 4: Simplify right side
    452,878.80x = 169,730,168,923.00
  5. Step 5: Solve for x
    x = 169,730,168,923.00/452,878.80
  6. Step 6: Final answer
    x = 374,780.56

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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.