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Finding the Fourth Proportional to 634,513.60, 949,900.44 and 555,781.60

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Solution

The fourth proportional to 634,513.60, 949,900.44 and 555,781.60 is: 832,034.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,513.60 : 949,900.44 = 555,781.60 : x
  2. Step 2: Convert to fraction form
    634,513.60/949,900.44 = 555,781.60/x
  3. Step 3: Cross multiply
    634,513.60x = 949,900.44 × 555,781.60
  4. Step 4: Simplify right side
    634,513.60x = 527,937,186,383.90
  5. Step 5: Solve for x
    x = 527,937,186,383.90/634,513.60
  6. Step 6: Final answer
    x = 832,034.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.