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Finding the Fourth Proportional to 450,841.86, 622,161.78 and 249,637.86

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Solution

The fourth proportional to 450,841.86, 622,161.78 and 249,637.86 is: 344,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,841.86 : 622,161.78 = 249,637.86 : x
  2. Step 2: Convert to fraction form
    450,841.86/622,161.78 = 249,637.86/x
  3. Step 3: Cross multiply
    450,841.86x = 622,161.78 × 249,637.86
  4. Step 4: Simplify right side
    450,841.86x = 155,315,135,332.99
  5. Step 5: Solve for x
    x = 155,315,135,332.99/450,841.86
  6. Step 6: Final answer
    x = 344,500.25

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1.5x scale

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.