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Finding the Fourth Proportional to 316,353.71, 436,568.11 and 173,113.77

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Solution

The fourth proportional to 316,353.71, 436,568.11 and 173,113.77 is: 238,897.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,353.71 : 436,568.11 = 173,113.77 : x
  2. Step 2: Convert to fraction form
    316,353.71/436,568.11 = 173,113.77/x
  3. Step 3: Cross multiply
    316,353.71x = 436,568.11 × 173,113.77
  4. Step 4: Simplify right side
    316,353.71x = 75,575,951,383.87
  5. Step 5: Solve for x
    x = 75,575,951,383.87/316,353.71
  6. Step 6: Final answer
    x = 238,897.00

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1.5x scale

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.