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Finding the Fourth Proportional to 302,516.60, 453,774.90 and 231,657.80

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Solution

The fourth proportional to 302,516.60, 453,774.90 and 231,657.80 is: 347,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,516.60 : 453,774.90 = 231,657.80 : x
  2. Step 2: Convert to fraction form
    302,516.60/453,774.90 = 231,657.80/x
  3. Step 3: Cross multiply
    302,516.60x = 453,774.90 × 231,657.80
  4. Step 4: Simplify right side
    302,516.60x = 105,120,495,029.22
  5. Step 5: Solve for x
    x = 105,120,495,029.22/302,516.60
  6. Step 6: Final answer
    x = 347,486.70

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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.