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Finding the Fourth Proportional to 450,483.18, 621,658.46 and 246,530.00

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Solution

The fourth proportional to 450,483.18, 621,658.46 and 246,530.00 is: 340,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,483.18 : 621,658.46 = 246,530.00 : x
  2. Step 2: Convert to fraction form
    450,483.18/621,658.46 = 246,530.00/x
  3. Step 3: Cross multiply
    450,483.18x = 621,658.46 × 246,530.00
  4. Step 4: Simplify right side
    450,483.18x = 153,257,462,314.27
  5. Step 5: Solve for x
    x = 153,257,462,314.27/450,483.18
  6. Step 6: Final answer
    x = 340,206.85

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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.