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Finding the Fourth Proportional to 215,460,092.40, 302,409,404.40 and 215,460,092.40

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Solution

The fourth proportional to 215,460,092.40, 302,409,404.40 and 215,460,092.40 is: 302,409,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,460,092.40 : 302,409,404.40 = 215,460,092.40 : x
  2. Step 2: Convert to fraction form
    215,460,092.40/302,409,404.40 = 215,460,092.40/x
  3. Step 3: Cross multiply
    215,460,092.40x = 302,409,404.40 × 215,460,092.40
  4. Step 4: Simplify right side
    215,460,092.40x = 65,157,158,214,652,960
  5. Step 5: Solve for x
    x = 65,157,158,214,652,960/215,460,092.40
  6. Step 6: Final answer
    x = 302,409,404.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.