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Finding the Fourth Proportional to 576,470,551.20, 864,817,801.20 and 248,945,431.20

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Solution

The fourth proportional to 576,470,551.20, 864,817,801.20 and 248,945,431.20 is: 373,466,502.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,470,551.20 : 864,817,801.20 = 248,945,431.20 : x
  2. Step 2: Convert to fraction form
    576,470,551.20/864,817,801.20 = 248,945,431.20/x
  3. Step 3: Cross multiply
    576,470,551.20x = 864,817,801.20 × 248,945,431.20
  4. Step 4: Simplify right side
    576,470,551.20x = 215,292,440,429,169,888
  5. Step 5: Solve for x
    x = 215,292,440,429,169,888/576,470,551.20
  6. Step 6: Final answer
    x = 373,466,502.29

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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.