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Finding the Fourth Proportional to 555,046.40, 832,958.40 and 355,851.20

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Solution

The fourth proportional to 555,046.40, 832,958.40 and 355,851.20 is: 534,026.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,046.40 : 832,958.40 = 355,851.20 : x
  2. Step 2: Convert to fraction form
    555,046.40/832,958.40 = 355,851.20/x
  3. Step 3: Cross multiply
    555,046.40x = 832,958.40 × 355,851.20
  4. Step 4: Simplify right side
    555,046.40x = 296,409,246,190.08
  5. Step 5: Solve for x
    x = 296,409,246,190.08/555,046.40
  6. Step 6: Final answer
    x = 534,026.07

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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.