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Finding the Fourth Proportional to 302,459.75, 453,689.64 and 105,467.75

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Solution

The fourth proportional to 302,459.75, 453,689.64 and 105,467.75 is: 158,201.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,459.75 : 453,689.64 = 105,467.75 : x
  2. Step 2: Convert to fraction form
    302,459.75/453,689.64 = 105,467.75/x
  3. Step 3: Cross multiply
    302,459.75x = 453,689.64 × 105,467.75
  4. Step 4: Simplify right side
    302,459.75x = 47,849,625,529.11
  5. Step 5: Solve for x
    x = 47,849,625,529.11/302,459.75
  6. Step 6: Final answer
    x = 158,201.63

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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.