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Finding the Fourth Proportional to 316,592.96, 436,893.93 and 173,353.01

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Solution

The fourth proportional to 316,592.96, 436,893.93 and 173,353.01 is: 239,224.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,592.96 : 436,893.93 = 173,353.01 : x
  2. Step 2: Convert to fraction form
    316,592.96/436,893.93 = 173,353.01/x
  3. Step 3: Cross multiply
    316,592.96x = 436,893.93 × 173,353.01
  4. Step 4: Simplify right side
    316,592.96x = 75,736,877,816.23
  5. Step 5: Solve for x
    x = 75,736,877,816.23/316,592.96
  6. Step 6: Final answer
    x = 239,224.77

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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.