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Finding the Fourth Proportional to 307,950.40, 461,925.60 and 225,006.40

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Solution

The fourth proportional to 307,950.40, 461,925.60 and 225,006.40 is: 337,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,950.40 : 461,925.60 = 225,006.40 : x
  2. Step 2: Convert to fraction form
    307,950.40/461,925.60 = 225,006.40/x
  3. Step 3: Cross multiply
    307,950.40x = 461,925.60 × 225,006.40
  4. Step 4: Simplify right side
    307,950.40x = 103,936,216,323.84
  5. Step 5: Solve for x
    x = 103,936,216,323.84/307,950.40
  6. Step 6: Final answer
    x = 337,509.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.