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Finding the Fourth Proportional to 898,244.58, 1,239,534 and 511,023.54

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Solution

The fourth proportional to 898,244.58, 1,239,534 and 511,023.54 is: 705,187.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,244.58 : 1,239,534 = 511,023.54 : x
  2. Step 2: Convert to fraction form
    898,244.58/1,239,534 = 511,023.54/x
  3. Step 3: Cross multiply
    898,244.58x = 1,239,534 × 511,023.54
  4. Step 4: Simplify right side
    898,244.58x = 633,431,052,630.36
  5. Step 5: Solve for x
    x = 633,431,052,630.36/898,244.58
  6. Step 6: Final answer
    x = 705,187.73

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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.