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Finding the Fourth Proportional to 481,805.70, 722,708.55 and 463,434.90

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Solution

The fourth proportional to 481,805.70, 722,708.55 and 463,434.90 is: 695,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,805.70 : 722,708.55 = 463,434.90 : x
  2. Step 2: Convert to fraction form
    481,805.70/722,708.55 = 463,434.90/x
  3. Step 3: Cross multiply
    481,805.70x = 722,708.55 × 463,434.90
  4. Step 4: Simplify right side
    481,805.70x = 334,928,364,598.40
  5. Step 5: Solve for x
    x = 334,928,364,598.40/481,805.70
  6. Step 6: Final answer
    x = 695,152.35

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Similar ratio
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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.