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Finding the Fourth Proportional to 545,881.22, 753,306.04 and 304,158.58

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Solution

The fourth proportional to 545,881.22, 753,306.04 and 304,158.58 is: 419,733.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,881.22 : 753,306.04 = 304,158.58 : x
  2. Step 2: Convert to fraction form
    545,881.22/753,306.04 = 304,158.58/x
  3. Step 3: Cross multiply
    545,881.22x = 753,306.04 × 304,158.58
  4. Step 4: Simplify right side
    545,881.22x = 229,124,495,431.82
  5. Step 5: Solve for x
    x = 229,124,495,431.82/545,881.22
  6. Step 6: Final answer
    x = 419,733.24

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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.