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Finding the Fourth Proportional to 333,543.48, 500,318.34 and 84,225.24

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Solution

The fourth proportional to 333,543.48, 500,318.34 and 84,225.24 is: 126,338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,543.48 : 500,318.34 = 84,225.24 : x
  2. Step 2: Convert to fraction form
    333,543.48/500,318.34 = 84,225.24/x
  3. Step 3: Cross multiply
    333,543.48x = 500,318.34 × 84,225.24
  4. Step 4: Simplify right side
    333,543.48x = 42,139,432,262.90
  5. Step 5: Solve for x
    x = 42,139,432,262.90/333,543.48
  6. Step 6: Final answer
    x = 126,338.65

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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.