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Finding the Fourth Proportional to 888,647.41, 1,331,762.95 and 375,886.12

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Solution

The fourth proportional to 888,647.41, 1,331,762.95 and 375,886.12 is: 563,318.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,647.41 : 1,331,762.95 = 375,886.12 : x
  2. Step 2: Convert to fraction form
    888,647.41/1,331,762.95 = 375,886.12/x
  3. Step 3: Cross multiply
    888,647.41x = 1,331,762.95 × 375,886.12
  4. Step 4: Simplify right side
    888,647.41x = 500,591,207,672.76
  5. Step 5: Solve for x
    x = 500,591,207,672.76/888,647.41
  6. Step 6: Final answer
    x = 563,318.14

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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.