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Finding the Fourth Proportional to 579,188.66, 798,806.30 and 407,674.35

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Solution

The fourth proportional to 579,188.66, 798,806.30 and 407,674.35 is: 562,256.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,188.66 : 798,806.30 = 407,674.35 : x
  2. Step 2: Convert to fraction form
    579,188.66/798,806.30 = 407,674.35/x
  3. Step 3: Cross multiply
    579,188.66x = 798,806.30 × 407,674.35
  4. Step 4: Simplify right side
    579,188.66x = 325,652,837,090.03
  5. Step 5: Solve for x
    x = 325,652,837,090.03/579,188.66
  6. Step 6: Final answer
    x = 562,256.93

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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.