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Finding the Fourth Proportional to 302,459.76, 453,689.64 and 112,934.90

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Solution

The fourth proportional to 302,459.76, 453,689.64 and 112,934.90 is: 169,402.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,459.76 : 453,689.64 = 112,934.90 : x
  2. Step 2: Convert to fraction form
    302,459.76/453,689.64 = 112,934.90/x
  3. Step 3: Cross multiply
    302,459.76x = 453,689.64 × 112,934.90
  4. Step 4: Simplify right side
    302,459.76x = 51,237,391,855.99
  5. Step 5: Solve for x
    x = 51,237,391,855.99/302,459.76
  6. Step 6: Final answer
    x = 169,402.34

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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.