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Finding the Fourth Proportional to 578,467.26, 799,808.04 and 506,641.32

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Solution

The fourth proportional to 578,467.26, 799,808.04 and 506,641.32 is: 700,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,467.26 : 799,808.04 = 506,641.32 : x
  2. Step 2: Convert to fraction form
    578,467.26/799,808.04 = 506,641.32/x
  3. Step 3: Cross multiply
    578,467.26x = 799,808.04 × 506,641.32
  4. Step 4: Simplify right side
    578,467.26x = 405,215,801,132.21
  5. Step 5: Solve for x
    x = 405,215,801,132.21/578,467.26
  6. Step 6: Final answer
    x = 700,499.11

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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.