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Finding the Fourth Proportional to 634,404.01, 875,396.55 and 362,489.50

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Solution

The fourth proportional to 634,404.01, 875,396.55 and 362,489.50 is: 500,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,404.01 : 875,396.55 = 362,489.50 : x
  2. Step 2: Convert to fraction form
    634,404.01/875,396.55 = 362,489.50/x
  3. Step 3: Cross multiply
    634,404.01x = 875,396.55 × 362,489.50
  4. Step 4: Simplify right side
    634,404.01x = 317,322,057,711.23
  5. Step 5: Solve for x
    x = 317,322,057,711.23/634,404.01
  6. Step 6: Final answer
    x = 500,189.24

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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.