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Finding the Fourth Proportional to 306,417.94, 460,057.38 and 156,765.58

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Solution

The fourth proportional to 306,417.94, 460,057.38 and 156,765.58 is: 235,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,417.94 : 460,057.38 = 156,765.58 : x
  2. Step 2: Convert to fraction form
    306,417.94/460,057.38 = 156,765.58/x
  3. Step 3: Cross multiply
    306,417.94x = 460,057.38 × 156,765.58
  4. Step 4: Simplify right side
    306,417.94x = 72,121,162,008.98
  5. Step 5: Solve for x
    x = 72,121,162,008.98/306,417.94
  6. Step 6: Final answer
    x = 235,368.60

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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.