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Finding the Fourth Proportional to 653,248.80, 980,164.80 and 232,826.40

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Solution

The fourth proportional to 653,248.80, 980,164.80 and 232,826.40 is: 349,343.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,248.80 : 980,164.80 = 232,826.40 : x
  2. Step 2: Convert to fraction form
    653,248.80/980,164.80 = 232,826.40/x
  3. Step 3: Cross multiply
    653,248.80x = 980,164.80 × 232,826.40
  4. Step 4: Simplify right side
    653,248.80x = 228,208,241,790.72
  5. Step 5: Solve for x
    x = 228,208,241,790.72/653,248.80
  6. Step 6: Final answer
    x = 349,343.53

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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.