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Finding the Fourth Proportional to 567,406.26, 783,341.01 and 376,680.42

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Solution

The fourth proportional to 567,406.26, 783,341.01 and 376,680.42 is: 520,031.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,406.26 : 783,341.01 = 376,680.42 : x
  2. Step 2: Convert to fraction form
    567,406.26/783,341.01 = 376,680.42/x
  3. Step 3: Cross multiply
    567,406.26x = 783,341.01 × 376,680.42
  4. Step 4: Simplify right side
    567,406.26x = 295,069,220,650.02
  5. Step 5: Solve for x
    x = 295,069,220,650.02/567,406.26
  6. Step 6: Final answer
    x = 520,031.66

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Double scale
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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.