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Finding the Fourth Proportional to 567,424.62, 783,036.36 and 309,304.44

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Solution

The fourth proportional to 567,424.62, 783,036.36 and 309,304.44 is: 426,834.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,424.62 : 783,036.36 = 309,304.44 : x
  2. Step 2: Convert to fraction form
    567,424.62/783,036.36 = 309,304.44/x
  3. Step 3: Cross multiply
    567,424.62x = 783,036.36 × 309,304.44
  4. Step 4: Simplify right side
    567,424.62x = 242,196,622,829.44
  5. Step 5: Solve for x
    x = 242,196,622,829.44/567,424.62
  6. Step 6: Final answer
    x = 426,834.89

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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.