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Finding the Fourth Proportional to 1,249,778, 1,874,986.68 and 363,314

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Solution

The fourth proportional to 1,249,778, 1,874,986.68 and 363,314 is: 545,063.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,778 : 1,874,986.68 = 363,314 : x
  2. Step 2: Convert to fraction form
    1,249,778/1,874,986.68 = 363,314/x
  3. Step 3: Cross multiply
    1,249,778x = 1,874,986.68 × 363,314
  4. Step 4: Simplify right side
    1,249,778x = 681,208,910,657.52
  5. Step 5: Solve for x
    x = 681,208,910,657.52/1,249,778
  6. Step 6: Final answer
    x = 545,063.93

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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.