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Finding the Fourth Proportional to 440,588.50, 608,042.20 and 249,603.46

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Solution

The fourth proportional to 440,588.50, 608,042.20 and 249,603.46 is: 344,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,588.50 : 608,042.20 = 249,603.46 : x
  2. Step 2: Convert to fraction form
    440,588.50/608,042.20 = 249,603.46/x
  3. Step 3: Cross multiply
    440,588.50x = 608,042.20 × 249,603.46
  4. Step 4: Simplify right side
    440,588.50x = 151,769,436,946.01
  5. Step 5: Solve for x
    x = 151,769,436,946.01/440,588.50
  6. Step 6: Final answer
    x = 344,469.81

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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.