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Finding the Fourth Proportional to 567,425.53, 783,042.23 and 309,302.56

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Solution

The fourth proportional to 567,425.53, 783,042.23 and 309,302.56 is: 426,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,425.53 : 783,042.23 = 309,302.56 : x
  2. Step 2: Convert to fraction form
    567,425.53/783,042.23 = 309,302.56/x
  3. Step 3: Cross multiply
    567,425.53x = 783,042.23 × 309,302.56
  4. Step 4: Simplify right side
    567,425.53x = 242,196,960,865.39
  5. Step 5: Solve for x
    x = 242,196,960,865.39/567,425.53
  6. Step 6: Final answer
    x = 426,834.80

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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.