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Finding the Fourth Proportional to 705,305.22, 973,619.14 and 476,172.86

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Solution

The fourth proportional to 705,305.22, 973,619.14 and 476,172.86 is: 657,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,305.22 : 973,619.14 = 476,172.86 : x
  2. Step 2: Convert to fraction form
    705,305.22/973,619.14 = 476,172.86/x
  3. Step 3: Cross multiply
    705,305.22x = 973,619.14 × 476,172.86
  4. Step 4: Simplify right side
    705,305.22x = 463,611,005,576.45
  5. Step 5: Solve for x
    x = 463,611,005,576.45/705,305.22
  6. Step 6: Final answer
    x = 657,319.69

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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.