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Finding the Fourth Proportional to 625,675.10, 863,429.34 and 350,033.58

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Solution

The fourth proportional to 625,675.10, 863,429.34 and 350,033.58 is: 483,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,675.10 : 863,429.34 = 350,033.58 : x
  2. Step 2: Convert to fraction form
    625,675.10/863,429.34 = 350,033.58/x
  3. Step 3: Cross multiply
    625,675.10x = 863,429.34 × 350,033.58
  4. Step 4: Simplify right side
    625,675.10x = 302,229,262,957.24
  5. Step 5: Solve for x
    x = 302,229,262,957.24/625,675.10
  6. Step 6: Final answer
    x = 483,045.05

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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.