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Finding the Fourth Proportional to 357,267.53, 493,016.42 and 202,215.49

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Solution

The fourth proportional to 357,267.53, 493,016.42 and 202,215.49 is: 279,050.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,267.53 : 493,016.42 = 202,215.49 : x
  2. Step 2: Convert to fraction form
    357,267.53/493,016.42 = 202,215.49/x
  3. Step 3: Cross multiply
    357,267.53x = 493,016.42 × 202,215.49
  4. Step 4: Simplify right side
    357,267.53x = 99,695,558,888.03
  5. Step 5: Solve for x
    x = 99,695,558,888.03/357,267.53
  6. Step 6: Final answer
    x = 279,050.15

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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.