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Finding the Fourth Proportional to 676,896.08, 933,361.16 and 462,148.88

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Solution

The fourth proportional to 676,896.08, 933,361.16 and 462,148.88 is: 637,249.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,896.08 : 933,361.16 = 462,148.88 : x
  2. Step 2: Convert to fraction form
    676,896.08/933,361.16 = 462,148.88/x
  3. Step 3: Cross multiply
    676,896.08x = 933,361.16 × 462,148.88
  4. Step 4: Simplify right side
    676,896.08x = 431,351,814,729.50
  5. Step 5: Solve for x
    x = 431,351,814,729.50/676,896.08
  6. Step 6: Final answer
    x = 637,249.69

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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.