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Finding the Fourth Proportional to 435,573.44, 653,384.76 and 155,090.69

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Solution

The fourth proportional to 435,573.44, 653,384.76 and 155,090.69 is: 232,644.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,573.44 : 653,384.76 = 155,090.69 : x
  2. Step 2: Convert to fraction form
    435,573.44/653,384.76 = 155,090.69/x
  3. Step 3: Cross multiply
    435,573.44x = 653,384.76 × 155,090.69
  4. Step 4: Simplify right side
    435,573.44x = 101,333,893,263.88
  5. Step 5: Solve for x
    x = 101,333,893,263.88/435,573.44
  6. Step 6: Final answer
    x = 232,644.79

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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.