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Finding the Fourth Proportional to 302,498.70, 453,748.18 and 124,810.40

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Solution

The fourth proportional to 302,498.70, 453,748.18 and 124,810.40 is: 187,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,498.70 : 453,748.18 = 124,810.40 : x
  2. Step 2: Convert to fraction form
    302,498.70/453,748.18 = 124,810.40/x
  3. Step 3: Cross multiply
    302,498.70x = 453,748.18 × 124,810.40
  4. Step 4: Simplify right side
    302,498.70x = 56,632,491,845.07
  5. Step 5: Solve for x
    x = 56,632,491,845.07/302,498.70
  6. Step 6: Final answer
    x = 187,215.65

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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.