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Finding the Fourth Proportional to 837,464.80, 1,255,808.40 and 363,906.40

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Solution

The fourth proportional to 837,464.80, 1,255,808.40 and 363,906.40 is: 545,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,464.80 : 1,255,808.40 = 363,906.40 : x
  2. Step 2: Convert to fraction form
    837,464.80/1,255,808.40 = 363,906.40/x
  3. Step 3: Cross multiply
    837,464.80x = 1,255,808.40 × 363,906.40
  4. Step 4: Simplify right side
    837,464.80x = 456,996,713,933.76
  5. Step 5: Solve for x
    x = 456,996,713,933.76/837,464.80
  6. Step 6: Final answer
    x = 545,690.65

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1.5x scale

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.