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Finding the Fourth Proportional to 577,372,002.70, 866,058,004.05 and 572,270,169.10

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Solution

The fourth proportional to 577,372,002.70, 866,058,004.05 and 572,270,169.10 is: 858,405,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,372,002.70 : 866,058,004.05 = 572,270,169.10 : x
  2. Step 2: Convert to fraction form
    577,372,002.70/866,058,004.05 = 572,270,169.10/x
  3. Step 3: Cross multiply
    577,372,002.70x = 866,058,004.05 × 572,270,169.10
  4. Step 4: Simplify right side
    577,372,002.70x = 495,619,160,428,101,952
  5. Step 5: Solve for x
    x = 495,619,160,428,101,952/577,372,002.70
  6. Step 6: Final answer
    x = 858,405,253.65

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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.