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Finding the Fourth Proportional to 706,191.68, 973,629.79 and 457,390.96

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Solution

The fourth proportional to 706,191.68, 973,629.79 and 457,390.96 is: 630,607.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,191.68 : 973,629.79 = 457,390.96 : x
  2. Step 2: Convert to fraction form
    706,191.68/973,629.79 = 457,390.96/x
  3. Step 3: Cross multiply
    706,191.68x = 973,629.79 × 457,390.96
  4. Step 4: Simplify right side
    706,191.68x = 445,329,469,038.62
  5. Step 5: Solve for x
    x = 445,329,469,038.62/706,191.68
  6. Step 6: Final answer
    x = 630,607.08

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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.