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Finding the Fourth Proportional to 443,555.94, 612,113.04 and 252,570.09

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Solution

The fourth proportional to 443,555.94, 612,113.04 and 252,570.09 is: 348,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,555.94 : 612,113.04 = 252,570.09 : x
  2. Step 2: Convert to fraction form
    443,555.94/612,113.04 = 252,570.09/x
  3. Step 3: Cross multiply
    443,555.94x = 612,113.04 × 252,570.09
  4. Step 4: Simplify right side
    443,555.94x = 154,601,445,602.97
  5. Step 5: Solve for x
    x = 154,601,445,602.97/443,555.94
  6. Step 6: Final answer
    x = 348,550.05

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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.