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Finding the Fourth Proportional to 434,556.70, 651,835.05 and 410,062.30

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Solution

The fourth proportional to 434,556.70, 651,835.05 and 410,062.30 is: 615,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,556.70 : 651,835.05 = 410,062.30 : x
  2. Step 2: Convert to fraction form
    434,556.70/651,835.05 = 410,062.30/x
  3. Step 3: Cross multiply
    434,556.70x = 651,835.05 × 410,062.30
  4. Step 4: Simplify right side
    434,556.70x = 267,292,979,823.62
  5. Step 5: Solve for x
    x = 267,292,979,823.62/434,556.70
  6. Step 6: Final answer
    x = 615,093.45

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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.