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Finding the Fourth Proportional to 444,868.80, 668,858.40 and 435,537.60

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Solution

The fourth proportional to 444,868.80, 668,858.40 and 435,537.60 is: 654,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,868.80 : 668,858.40 = 435,537.60 : x
  2. Step 2: Convert to fraction form
    444,868.80/668,858.40 = 435,537.60/x
  3. Step 3: Cross multiply
    444,868.80x = 668,858.40 × 435,537.60
  4. Step 4: Simplify right side
    444,868.80x = 291,312,982,275.84
  5. Step 5: Solve for x
    x = 291,312,982,275.84/444,868.80
  6. Step 6: Final answer
    x = 654,828.98

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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.