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Finding the Fourth Proportional to 659,302.40, 988,953.60 and 160,670.72

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Solution

The fourth proportional to 659,302.40, 988,953.60 and 160,670.72 is: 241,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,302.40 : 988,953.60 = 160,670.72 : x
  2. Step 2: Convert to fraction form
    659,302.40/988,953.60 = 160,670.72/x
  3. Step 3: Cross multiply
    659,302.40x = 988,953.60 × 160,670.72
  4. Step 4: Simplify right side
    659,302.40x = 158,895,886,958.59
  5. Step 5: Solve for x
    x = 158,895,886,958.59/659,302.40
  6. Step 6: Final answer
    x = 241,006.08

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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.