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Finding the Fourth Proportional to 302,457.70, 453,859.35 and 115,603.30

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Solution

The fourth proportional to 302,457.70, 453,859.35 and 115,603.30 is: 173,471.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,457.70 : 453,859.35 = 115,603.30 : x
  2. Step 2: Convert to fraction form
    302,457.70/453,859.35 = 115,603.30/x
  3. Step 3: Cross multiply
    302,457.70x = 453,859.35 × 115,603.30
  4. Step 4: Simplify right side
    302,457.70x = 52,467,638,595.86
  5. Step 5: Solve for x
    x = 52,467,638,595.86/302,457.70
  6. Step 6: Final answer
    x = 173,471.00

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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.