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Finding the Fourth Proportional to 567,432.36, 783,051.87 and 309,304.56

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Solution

The fourth proportional to 567,432.36, 783,051.87 and 309,304.56 is: 426,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,432.36 : 783,051.87 = 309,304.56 : x
  2. Step 2: Convert to fraction form
    567,432.36/783,051.87 = 309,304.56/x
  3. Step 3: Cross multiply
    567,432.36x = 783,051.87 × 309,304.56
  4. Step 4: Simplify right side
    567,432.36x = 242,201,514,107.53
  5. Step 5: Solve for x
    x = 242,201,514,107.53/567,432.36
  6. Step 6: Final answer
    x = 426,837.68

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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.