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Finding the Fourth Proportional to 1,249,777, 1,874,985.18 and 363,313

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Solution

The fourth proportional to 1,249,777, 1,874,985.18 and 363,313 is: 545,062.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,777 : 1,874,985.18 = 363,313 : x
  2. Step 2: Convert to fraction form
    1,249,777/1,874,985.18 = 363,313/x
  3. Step 3: Cross multiply
    1,249,777x = 1,874,985.18 × 363,313
  4. Step 4: Simplify right side
    1,249,777x = 681,206,490,701.34
  5. Step 5: Solve for x
    x = 681,206,490,701.34/1,249,777
  6. Step 6: Final answer
    x = 545,062.43

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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.