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Finding the Fourth Proportional to 700,576,886.52, 966,754,633.32 and 387,292,416.48

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Solution

The fourth proportional to 700,576,886.52, 966,754,633.32 and 387,292,416.48 is: 534,440,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,576,886.52 : 966,754,633.32 = 387,292,416.48 : x
  2. Step 2: Convert to fraction form
    700,576,886.52/966,754,633.32 = 387,292,416.48/x
  3. Step 3: Cross multiply
    700,576,886.52x = 966,754,633.32 × 387,292,416.48
  4. Step 4: Simplify right side
    700,576,886.52x = 374,416,738,081,739,136
  5. Step 5: Solve for x
    x = 374,416,738,081,739,136/700,576,886.52
  6. Step 6: Final answer
    x = 534,440,609.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.