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Finding the Fourth Proportional to 302,495.18, 453,742.92 and 124,806.90

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Solution

The fourth proportional to 302,495.18, 453,742.92 and 124,806.90 is: 187,210.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,495.18 : 453,742.92 = 124,806.90 : x
  2. Step 2: Convert to fraction form
    302,495.18/453,742.92 = 124,806.90/x
  3. Step 3: Cross multiply
    302,495.18x = 453,742.92 × 124,806.90
  4. Step 4: Simplify right side
    302,495.18x = 56,630,247,242.15
  5. Step 5: Solve for x
    x = 56,630,247,242.15/302,495.18
  6. Step 6: Final answer
    x = 187,210.41

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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.