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Finding the Fourth Proportional to 581,161.48, 871,779.13 and 154,690.34

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Solution

The fourth proportional to 581,161.48, 871,779.13 and 154,690.34 is: 232,045.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,161.48 : 871,779.13 = 154,690.34 : x
  2. Step 2: Convert to fraction form
    581,161.48/871,779.13 = 154,690.34/x
  3. Step 3: Cross multiply
    581,161.48x = 871,779.13 × 154,690.34
  4. Step 4: Simplify right side
    581,161.48x = 134,855,805,278.98
  5. Step 5: Solve for x
    x = 134,855,805,278.98/581,161.48
  6. Step 6: Final answer
    x = 232,045.33

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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.