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Finding the Fourth Proportional to 1,249,782, 1,874,992.68 and 363,318

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Solution

The fourth proportional to 1,249,782, 1,874,992.68 and 363,318 is: 545,069.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,782 : 1,874,992.68 = 363,318 : x
  2. Step 2: Convert to fraction form
    1,249,782/1,874,992.68 = 363,318/x
  3. Step 3: Cross multiply
    1,249,782x = 1,874,992.68 × 363,318
  4. Step 4: Simplify right side
    1,249,782x = 681,218,590,512.24
  5. Step 5: Solve for x
    x = 681,218,590,512.24/1,249,782
  6. Step 6: Final answer
    x = 545,069.93

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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.