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Finding the Fourth Proportional to 555,195.42, 766,031.85 and 325,774.26

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Solution

The fourth proportional to 555,195.42, 766,031.85 and 325,774.26 is: 449,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,195.42 : 766,031.85 = 325,774.26 : x
  2. Step 2: Convert to fraction form
    555,195.42/766,031.85 = 325,774.26/x
  3. Step 3: Cross multiply
    555,195.42x = 766,031.85 × 325,774.26
  4. Step 4: Simplify right side
    555,195.42x = 249,553,459,070.18
  5. Step 5: Solve for x
    x = 249,553,459,070.18/555,195.42
  6. Step 6: Final answer
    x = 449,487.60

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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.