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Finding the Fourth Proportional to 567,535.08, 783,174.82 and 309,406.44

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Solution

The fourth proportional to 567,535.08, 783,174.82 and 309,406.44 is: 426,968.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,535.08 : 783,174.82 = 309,406.44 : x
  2. Step 2: Convert to fraction form
    567,535.08/783,174.82 = 309,406.44/x
  3. Step 3: Cross multiply
    567,535.08x = 783,174.82 × 309,406.44
  4. Step 4: Simplify right side
    567,535.08x = 242,319,332,953.84
  5. Step 5: Solve for x
    x = 242,319,332,953.84/567,535.08
  6. Step 6: Final answer
    x = 426,968.03

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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.