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Finding the Fourth Proportional to 554,450.40, 832,064.40 and 239,133.60

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Solution

The fourth proportional to 554,450.40, 832,064.40 and 239,133.60 is: 358,868.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,450.40 : 832,064.40 = 239,133.60 : x
  2. Step 2: Convert to fraction form
    554,450.40/832,064.40 = 239,133.60/x
  3. Step 3: Cross multiply
    554,450.40x = 832,064.40 × 239,133.60
  4. Step 4: Simplify right side
    554,450.40x = 198,974,555,403.84
  5. Step 5: Solve for x
    x = 198,974,555,403.84/554,450.40
  6. Step 6: Final answer
    x = 358,868.09

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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.