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Finding the Fourth Proportional to 491,761.40, 736,475.70 and 491,761.40

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Solution

The fourth proportional to 491,761.40, 736,475.70 and 491,761.40 is: 736,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,761.40 : 736,475.70 = 491,761.40 : x
  2. Step 2: Convert to fraction form
    491,761.40/736,475.70 = 491,761.40/x
  3. Step 3: Cross multiply
    491,761.40x = 736,475.70 × 491,761.40
  4. Step 4: Simplify right side
    491,761.40x = 362,170,321,297.98
  5. Step 5: Solve for x
    x = 362,170,321,297.98/491,761.40
  6. Step 6: Final answer
    x = 736,475.70

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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.