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Finding the Fourth Proportional to 671,866.72, 927,176.02 and 370,060.72

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Solution

The fourth proportional to 671,866.72, 927,176.02 and 370,060.72 is: 510,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,866.72 : 927,176.02 = 370,060.72 : x
  2. Step 2: Convert to fraction form
    671,866.72/927,176.02 = 370,060.72/x
  3. Step 3: Cross multiply
    671,866.72x = 927,176.02 × 370,060.72
  4. Step 4: Simplify right side
    671,866.72x = 343,111,425,527.93
  5. Step 5: Solve for x
    x = 343,111,425,527.93/671,866.72
  6. Step 6: Final answer
    x = 510,683.76

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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.