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Finding the Fourth Proportional to 524,908.66, 724,396.90 and 295,480.76

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Solution

The fourth proportional to 524,908.66, 724,396.90 and 295,480.76 is: 407,776.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,908.66 : 724,396.90 = 295,480.76 : x
  2. Step 2: Convert to fraction form
    524,908.66/724,396.90 = 295,480.76/x
  3. Step 3: Cross multiply
    524,908.66x = 724,396.90 × 295,480.76
  4. Step 4: Simplify right side
    524,908.66x = 214,045,346,553.64
  5. Step 5: Solve for x
    x = 214,045,346,553.64/524,908.66
  6. Step 6: Final answer
    x = 407,776.37

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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.