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Finding the Fourth Proportional to 536,341.78, 804,500.20 and 270,030.79

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Solution

The fourth proportional to 536,341.78, 804,500.20 and 270,030.79 is: 405,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,341.78 : 804,500.20 = 270,030.79 : x
  2. Step 2: Convert to fraction form
    536,341.78/804,500.20 = 270,030.79/x
  3. Step 3: Cross multiply
    536,341.78x = 804,500.20 × 270,030.79
  4. Step 4: Simplify right side
    536,341.78x = 217,239,824,561.16
  5. Step 5: Solve for x
    x = 217,239,824,561.16/536,341.78
  6. Step 6: Final answer
    x = 405,039.91

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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.