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Finding the Fourth Proportional to 508,066.49, 762,610.04 and 451,510.67

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Solution

The fourth proportional to 508,066.49, 762,610.04 and 451,510.67 is: 677,719.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,066.49 : 762,610.04 = 451,510.67 : x
  2. Step 2: Convert to fraction form
    508,066.49/762,610.04 = 451,510.67/x
  3. Step 3: Cross multiply
    508,066.49x = 762,610.04 × 451,510.67
  4. Step 4: Simplify right side
    508,066.49x = 344,326,571,451.26
  5. Step 5: Solve for x
    x = 344,326,571,451.26/508,066.49
  6. Step 6: Final answer
    x = 677,719.50

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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.