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Finding the Fourth Proportional to 537,109.80, 804,743.10 and 256,021.80

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Solution

The fourth proportional to 537,109.80, 804,743.10 and 256,021.80 is: 383,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,109.80 : 804,743.10 = 256,021.80 : x
  2. Step 2: Convert to fraction form
    537,109.80/804,743.10 = 256,021.80/x
  3. Step 3: Cross multiply
    537,109.80x = 804,743.10 × 256,021.80
  4. Step 4: Simplify right side
    537,109.80x = 206,031,776,999.58
  5. Step 5: Solve for x
    x = 206,031,776,999.58/537,109.80
  6. Step 6: Final answer
    x = 383,593.40

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1.5x scale

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.