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Finding the Fourth Proportional to 708,237.99, 977,339.97 and 385,941.17

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Solution

The fourth proportional to 708,237.99, 977,339.97 and 385,941.17 is: 532,583.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,237.99 : 977,339.97 = 385,941.17 : x
  2. Step 2: Convert to fraction form
    708,237.99/977,339.97 = 385,941.17/x
  3. Step 3: Cross multiply
    708,237.99x = 977,339.97 × 385,941.17
  4. Step 4: Simplify right side
    708,237.99x = 377,195,733,952.92
  5. Step 5: Solve for x
    x = 377,195,733,952.92/708,237.99
  6. Step 6: Final answer
    x = 532,583.31

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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.