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Finding the Fourth Proportional to 360,613,090.12, 540,781,746.64 and 196,763,270.03

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Solution

The fourth proportional to 360,613,090.12, 540,781,746.64 and 196,763,270.03 is: 295,069,668.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,613,090.12 : 540,781,746.64 = 196,763,270.03 : x
  2. Step 2: Convert to fraction form
    360,613,090.12/540,781,746.64 = 196,763,270.03/x
  3. Step 3: Cross multiply
    360,613,090.12x = 540,781,746.64 × 196,763,270.03
  4. Step 4: Simplify right side
    360,613,090.12x = 106,405,984,841,421,360
  5. Step 5: Solve for x
    x = 106,405,984,841,421,360/360,613,090.12
  6. Step 6: Final answer
    x = 295,069,668.18

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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.