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Finding the Fourth Proportional to 497,956.70, 745,950.90 and 272,914.40

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Solution

The fourth proportional to 497,956.70, 745,950.90 and 272,914.40 is: 408,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,956.70 : 745,950.90 = 272,914.40 : x
  2. Step 2: Convert to fraction form
    497,956.70/745,950.90 = 272,914.40/x
  3. Step 3: Cross multiply
    497,956.70x = 745,950.90 × 272,914.40
  4. Step 4: Simplify right side
    497,956.70x = 203,580,742,302.96
  5. Step 5: Solve for x
    x = 203,580,742,302.96/497,956.70
  6. Step 6: Final answer
    x = 408,832.22

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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.