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Finding the Fourth Proportional to 620,019, 930,037.14 and 176,787

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Solution

The fourth proportional to 620,019, 930,037.14 and 176,787 is: 265,182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,019 : 930,037.14 = 176,787 : x
  2. Step 2: Convert to fraction form
    620,019/930,037.14 = 176,787/x
  3. Step 3: Cross multiply
    620,019x = 930,037.14 × 176,787
  4. Step 4: Simplify right side
    620,019x = 164,418,475,869.18
  5. Step 5: Solve for x
    x = 164,418,475,869.18/620,019
  6. Step 6: Final answer
    x = 265,182.96

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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.