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Finding the Fourth Proportional to 736,604.98, 1,016,525.37 and 434,798.98

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Solution

The fourth proportional to 736,604.98, 1,016,525.37 and 434,798.98 is: 600,028.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,604.98 : 1,016,525.37 = 434,798.98 : x
  2. Step 2: Convert to fraction form
    736,604.98/1,016,525.37 = 434,798.98/x
  3. Step 3: Cross multiply
    736,604.98x = 1,016,525.37 × 434,798.98
  4. Step 4: Simplify right side
    736,604.98x = 441,984,194,020.12
  5. Step 5: Solve for x
    x = 441,984,194,020.12/736,604.98
  6. Step 6: Final answer
    x = 600,028.79

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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.