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Finding the Fourth Proportional to 508,099.77, 762,277.77 and 358,631.96

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Solution

The fourth proportional to 508,099.77, 762,277.77 and 358,631.96 is: 538,038.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,099.77 : 762,277.77 = 358,631.96 : x
  2. Step 2: Convert to fraction form
    508,099.77/762,277.77 = 358,631.96/x
  3. Step 3: Cross multiply
    508,099.77x = 762,277.77 × 358,631.96
  4. Step 4: Simplify right side
    508,099.77x = 273,377,166,908.14
  5. Step 5: Solve for x
    x = 273,377,166,908.14/508,099.77
  6. Step 6: Final answer
    x = 538,038.36

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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.