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Finding the Fourth Proportional to 611,984.52, 844,497.76 and 353,841.96

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Solution

The fourth proportional to 611,984.52, 844,497.76 and 353,841.96 is: 488,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,984.52 : 844,497.76 = 353,841.96 : x
  2. Step 2: Convert to fraction form
    611,984.52/844,497.76 = 353,841.96/x
  3. Step 3: Cross multiply
    611,984.52x = 844,497.76 × 353,841.96
  4. Step 4: Simplify right side
    611,984.52x = 298,818,742,614.01
  5. Step 5: Solve for x
    x = 298,818,742,614.01/611,984.52
  6. Step 6: Final answer
    x = 488,278.27

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1.5x scale

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.