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Finding the Fourth Proportional to 980,993.84, 1,353,727.80 and 573,133.52

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Solution

The fourth proportional to 980,993.84, 1,353,727.80 and 573,133.52 is: 790,898.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,993.84 : 1,353,727.80 = 573,133.52 : x
  2. Step 2: Convert to fraction form
    980,993.84/1,353,727.80 = 573,133.52/x
  3. Step 3: Cross multiply
    980,993.84x = 1,353,727.80 × 573,133.52
  4. Step 4: Simplify right side
    980,993.84x = 775,866,779,135.86
  5. Step 5: Solve for x
    x = 775,866,779,135.86/980,993.84
  6. Step 6: Final answer
    x = 790,898.73

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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.