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Finding the Fourth Proportional to 555,044.40, 832,955.40 and 355,849.20

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Solution

The fourth proportional to 555,044.40, 832,955.40 and 355,849.20 is: 534,023.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,044.40 : 832,955.40 = 355,849.20 : x
  2. Step 2: Convert to fraction form
    555,044.40/832,955.40 = 355,849.20/x
  3. Step 3: Cross multiply
    555,044.40x = 832,955.40 × 355,849.20
  4. Step 4: Simplify right side
    555,044.40x = 296,406,512,725.68
  5. Step 5: Solve for x
    x = 296,406,512,725.68/555,044.40
  6. Step 6: Final answer
    x = 534,023.07

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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.