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Finding the Fourth Proportional to 2,655,775.74, 3,981,502.55 and 833,203.76

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Solution

The fourth proportional to 2,655,775.74, 3,981,502.55 and 833,203.76 is: 1,249,127.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655,775.74 : 3,981,502.55 = 833,203.76 : x
  2. Step 2: Convert to fraction form
    2,655,775.74/3,981,502.55 = 833,203.76/x
  3. Step 3: Cross multiply
    2,655,775.74x = 3,981,502.55 × 833,203.76
  4. Step 4: Simplify right side
    2,655,775.74x = 3,317,402,895,109.59
  5. Step 5: Solve for x
    x = 3,317,402,895,109.59/2,655,775.74
  6. Step 6: Final answer
    x = 1,249,127.64

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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.