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Finding the Fourth Proportional to 302,572.70, 453,859.05 and 92,210.30

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Solution

The fourth proportional to 302,572.70, 453,859.05 and 92,210.30 is: 138,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,572.70 : 453,859.05 = 92,210.30 : x
  2. Step 2: Convert to fraction form
    302,572.70/453,859.05 = 92,210.30/x
  3. Step 3: Cross multiply
    302,572.70x = 453,859.05 × 92,210.30
  4. Step 4: Simplify right side
    302,572.70x = 41,850,479,158.22
  5. Step 5: Solve for x
    x = 41,850,479,158.22/302,572.70
  6. Step 6: Final answer
    x = 138,315.45

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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.