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Finding the Fourth Proportional to 567,495.36, 783,152.28 and 309,372.48

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Solution

The fourth proportional to 567,495.36, 783,152.28 and 309,372.48 is: 426,938.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,495.36 : 783,152.28 = 309,372.48 : x
  2. Step 2: Convert to fraction form
    567,495.36/783,152.28 = 309,372.48/x
  3. Step 3: Cross multiply
    567,495.36x = 783,152.28 × 309,372.48
  4. Step 4: Simplify right side
    567,495.36x = 242,285,763,081.25
  5. Step 5: Solve for x
    x = 242,285,763,081.25/567,495.36
  6. Step 6: Final answer
    x = 426,938.76

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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.