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Finding the Fourth Proportional to 575,282,698.34, 793,889,781.14 and 310,964,694.90

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Solution

The fourth proportional to 575,282,698.34, 793,889,781.14 and 310,964,694.90 is: 429,131,093.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,282,698.34 : 793,889,781.14 = 310,964,694.90 : x
  2. Step 2: Convert to fraction form
    575,282,698.34/793,889,781.14 = 310,964,694.90/x
  3. Step 3: Cross multiply
    575,282,698.34x = 793,889,781.14 × 310,964,694.90
  4. Step 4: Simplify right side
    575,282,698.34x = 246,871,693,576,427,840
  5. Step 5: Solve for x
    x = 246,871,693,576,427,840/575,282,698.34
  6. Step 6: Final answer
    x = 429,131,093.79

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Why These Related Problems?

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