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Finding the Fourth Proportional to 452,006.80, 623,728.16 and 268,213.70

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Solution

The fourth proportional to 452,006.80, 623,728.16 and 268,213.70 is: 370,110.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,006.80 : 623,728.16 = 268,213.70 : x
  2. Step 2: Convert to fraction form
    452,006.80/623,728.16 = 268,213.70/x
  3. Step 3: Cross multiply
    452,006.80x = 623,728.16 × 268,213.70
  4. Step 4: Simplify right side
    452,006.80x = 167,292,434,549.02
  5. Step 5: Solve for x
    x = 167,292,434,549.02/452,006.80
  6. Step 6: Final answer
    x = 370,110.44

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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.