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Finding the Fourth Proportional to 302,427.10, 453,640.65 and 144,963.10

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Solution

The fourth proportional to 302,427.10, 453,640.65 and 144,963.10 is: 217,444.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,427.10 : 453,640.65 = 144,963.10 : x
  2. Step 2: Convert to fraction form
    302,427.10/453,640.65 = 144,963.10/x
  3. Step 3: Cross multiply
    302,427.10x = 453,640.65 × 144,963.10
  4. Step 4: Simplify right side
    302,427.10x = 65,761,154,910.02
  5. Step 5: Solve for x
    x = 65,761,154,910.02/302,427.10
  6. Step 6: Final answer
    x = 217,444.65

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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.