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Finding the Fourth Proportional to 651,655.80, 899,247.96 and 379,767.96

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Solution

The fourth proportional to 651,655.80, 899,247.96 and 379,767.96 is: 524,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,655.80 : 899,247.96 = 379,767.96 : x
  2. Step 2: Convert to fraction form
    651,655.80/899,247.96 = 379,767.96/x
  3. Step 3: Cross multiply
    651,655.80x = 899,247.96 × 379,767.96
  4. Step 4: Simplify right side
    651,655.80x = 341,505,563,303.36
  5. Step 5: Solve for x
    x = 341,505,563,303.36/651,655.80
  6. Step 6: Final answer
    x = 524,058.20

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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.