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Finding the Fourth Proportional to 550,305.55, 770,952.65 and 550,305.55

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Solution

The fourth proportional to 550,305.55, 770,952.65 and 550,305.55 is: 770,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,305.55 : 770,952.65 = 550,305.55 : x
  2. Step 2: Convert to fraction form
    550,305.55/770,952.65 = 550,305.55/x
  3. Step 3: Cross multiply
    550,305.55x = 770,952.65 × 550,305.55
  4. Step 4: Simplify right side
    550,305.55x = 424,259,522,082.21
  5. Step 5: Solve for x
    x = 424,259,522,082.21/550,305.55
  6. Step 6: Final answer
    x = 770,952.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.