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Finding the Fourth Proportional to 634,751.36, 875,956.86 and 362,825.12

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Solution

The fourth proportional to 634,751.36, 875,956.86 and 362,825.12 is: 500,698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,751.36 : 875,956.86 = 362,825.12 : x
  2. Step 2: Convert to fraction form
    634,751.36/875,956.86 = 362,825.12/x
  3. Step 3: Cross multiply
    634,751.36x = 875,956.86 × 362,825.12
  4. Step 4: Simplify right side
    634,751.36x = 317,819,152,844.32
  5. Step 5: Solve for x
    x = 317,819,152,844.32/634,751.36
  6. Step 6: Final answer
    x = 500,698.66

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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.