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Finding the Fourth Proportional to 655,437.99, 983,210.33 and 182,123.40

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Solution

The fourth proportional to 655,437.99, 983,210.33 and 182,123.40 is: 273,199.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,437.99 : 983,210.33 = 182,123.40 : x
  2. Step 2: Convert to fraction form
    655,437.99/983,210.33 = 182,123.40/x
  3. Step 3: Cross multiply
    655,437.99x = 983,210.33 × 182,123.40
  4. Step 4: Simplify right side
    655,437.99x = 179,065,608,214.72
  5. Step 5: Solve for x
    x = 179,065,608,214.72/655,437.99
  6. Step 6: Final answer
    x = 273,199.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.