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Finding the Fourth Proportional to 294,355,200.80, 440,576,207.40 and 294,355,200.80

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Solution

The fourth proportional to 294,355,200.80, 440,576,207.40 and 294,355,200.80 is: 440,576,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,355,200.80 : 440,576,207.40 = 294,355,200.80 : x
  2. Step 2: Convert to fraction form
    294,355,200.80/440,576,207.40 = 294,355,200.80/x
  3. Step 3: Cross multiply
    294,355,200.80x = 440,576,207.40 × 294,355,200.80
  4. Step 4: Simplify right side
    294,355,200.80x = 129,685,897,996,929,440
  5. Step 5: Solve for x
    x = 129,685,897,996,929,440/294,355,200.80
  6. Step 6: Final answer
    x = 440,576,207.40

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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.