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Finding the Fourth Proportional to 615,197.28, 848,648.88 and 500,604.96

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Solution

The fourth proportional to 615,197.28, 848,648.88 and 500,604.96 is: 690,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,197.28 : 848,648.88 = 500,604.96 : x
  2. Step 2: Convert to fraction form
    615,197.28/848,648.88 = 500,604.96/x
  3. Step 3: Cross multiply
    615,197.28x = 848,648.88 × 500,604.96
  4. Step 4: Simplify right side
    615,197.28x = 424,837,838,626.45
  5. Step 5: Solve for x
    x = 424,837,838,626.45/615,197.28
  6. Step 6: Final answer
    x = 690,571.71

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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.