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Finding the Fourth Proportional to 443,068.56, 611,352.84 and 252,070.80

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Solution

The fourth proportional to 443,068.56, 611,352.84 and 252,070.80 is: 347,811.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,068.56 : 611,352.84 = 252,070.80 : x
  2. Step 2: Convert to fraction form
    443,068.56/611,352.84 = 252,070.80/x
  3. Step 3: Cross multiply
    443,068.56x = 611,352.84 × 252,070.80
  4. Step 4: Simplify right side
    443,068.56x = 154,104,199,461.07
  5. Step 5: Solve for x
    x = 154,104,199,461.07/443,068.56
  6. Step 6: Final answer
    x = 347,811.18

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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.