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Finding the Fourth Proportional to 302,761.20, 417,810.45 and 168,625.20

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Solution

The fourth proportional to 302,761.20, 417,810.45 and 168,625.20 is: 232,702.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,761.20 : 417,810.45 = 168,625.20 : x
  2. Step 2: Convert to fraction form
    302,761.20/417,810.45 = 168,625.20/x
  3. Step 3: Cross multiply
    302,761.20x = 417,810.45 × 168,625.20
  4. Step 4: Simplify right side
    302,761.20x = 70,453,370,693.34
  5. Step 5: Solve for x
    x = 70,453,370,693.34/302,761.20
  6. Step 6: Final answer
    x = 232,702.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.