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Finding the Fourth Proportional to 1,249,253.58, 1,723,973.83 and 676,292.39

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Solution

The fourth proportional to 1,249,253.58, 1,723,973.83 and 676,292.39 is: 933,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,253.58 : 1,723,973.83 = 676,292.39 : x
  2. Step 2: Convert to fraction form
    1,249,253.58/1,723,973.83 = 676,292.39/x
  3. Step 3: Cross multiply
    1,249,253.58x = 1,723,973.83 × 676,292.39
  4. Step 4: Simplify right side
    1,249,253.58x = 1,165,910,377,942.46
  5. Step 5: Solve for x
    x = 1,165,910,377,942.46/1,249,253.58
  6. Step 6: Final answer
    x = 933,285.60

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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.