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Finding the Fourth Proportional to 508,320.56, 701,409.51 and 304,322.67

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Solution

The fourth proportional to 508,320.56, 701,409.51 and 304,322.67 is: 419,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,320.56 : 701,409.51 = 304,322.67 : x
  2. Step 2: Convert to fraction form
    508,320.56/701,409.51 = 304,322.67/x
  3. Step 3: Cross multiply
    508,320.56x = 701,409.51 × 304,322.67
  4. Step 4: Simplify right side
    508,320.56x = 213,454,814,846.59
  5. Step 5: Solve for x
    x = 213,454,814,846.59/508,320.56
  6. Step 6: Final answer
    x = 419,921.66

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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.