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Finding the Fourth Proportional to 535,060.84, 738,355.83 and 305,572.81

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Solution

The fourth proportional to 535,060.84, 738,355.83 and 305,572.81 is: 421,674.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,060.84 : 738,355.83 = 305,572.81 : x
  2. Step 2: Convert to fraction form
    535,060.84/738,355.83 = 305,572.81/x
  3. Step 3: Cross multiply
    535,060.84x = 738,355.83 × 305,572.81
  4. Step 4: Simplify right side
    535,060.84x = 225,621,465,752.98
  5. Step 5: Solve for x
    x = 225,621,465,752.98/535,060.84
  6. Step 6: Final answer
    x = 421,674.41

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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.