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Finding the Fourth Proportional to 407,130,668.20, 610,696,002.30 and 407,130,668.20

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Solution

The fourth proportional to 407,130,668.20, 610,696,002.30 and 407,130,668.20 is: 610,696,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,130,668.20 : 610,696,002.30 = 407,130,668.20 : x
  2. Step 2: Convert to fraction form
    407,130,668.20/610,696,002.30 = 407,130,668.20/x
  3. Step 3: Cross multiply
    407,130,668.20x = 610,696,002.30 × 407,130,668.20
  4. Step 4: Simplify right side
    407,130,668.20x = 248,633,071,483,467,712
  5. Step 5: Solve for x
    x = 248,633,071,483,467,712/407,130,668.20
  6. Step 6: Final answer
    x = 610,696,002.30

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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.