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Finding the Fourth Proportional to 302,559.60, 453,839.40 and 297,310.80

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Solution

The fourth proportional to 302,559.60, 453,839.40 and 297,310.80 is: 445,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,559.60 : 453,839.40 = 297,310.80 : x
  2. Step 2: Convert to fraction form
    302,559.60/453,839.40 = 297,310.80/x
  3. Step 3: Cross multiply
    302,559.60x = 453,839.40 × 297,310.80
  4. Step 4: Simplify right side
    302,559.60x = 134,931,355,085.52
  5. Step 5: Solve for x
    x = 134,931,355,085.52/302,559.60
  6. Step 6: Final answer
    x = 445,966.20

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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.