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Finding the Fourth Proportional to 634,710.87, 875,900.99 and 362,784.60

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Solution

The fourth proportional to 634,710.87, 875,900.99 and 362,784.60 is: 500,642.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,710.87 : 875,900.99 = 362,784.60 : x
  2. Step 2: Convert to fraction form
    634,710.87/875,900.99 = 362,784.60/x
  3. Step 3: Cross multiply
    634,710.87x = 875,900.99 × 362,784.60
  4. Step 4: Simplify right side
    634,710.87x = 317,763,391,203.72
  5. Step 5: Solve for x
    x = 317,763,391,203.72/634,710.87
  6. Step 6: Final answer
    x = 500,642.74

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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.