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Finding the Fourth Proportional to 298,971,572.85, 448,457,359.28 and 298,971,572.85

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Solution

The fourth proportional to 298,971,572.85, 448,457,359.28 and 298,971,572.85 is: 448,457,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,971,572.85 : 448,457,359.28 = 298,971,572.85 : x
  2. Step 2: Convert to fraction form
    298,971,572.85/448,457,359.28 = 298,971,572.85/x
  3. Step 3: Cross multiply
    298,971,572.85x = 448,457,359.28 × 298,971,572.85
  4. Step 4: Simplify right side
    298,971,572.85x = 134,076,002,058,604,288
  5. Step 5: Solve for x
    x = 134,076,002,058,604,288/298,971,572.85
  6. Step 6: Final answer
    x = 448,457,359.28

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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.