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Finding the Fourth Proportional to 497,567.67, 686,100.75 and 336,142.43

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Solution

The fourth proportional to 497,567.67, 686,100.75 and 336,142.43 is: 463,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,567.67 : 686,100.75 = 336,142.43 : x
  2. Step 2: Convert to fraction form
    497,567.67/686,100.75 = 336,142.43/x
  3. Step 3: Cross multiply
    497,567.67x = 686,100.75 × 336,142.43
  4. Step 4: Simplify right side
    497,567.67x = 230,627,575,045.07
  5. Step 5: Solve for x
    x = 230,627,575,045.07/497,567.67
  6. Step 6: Final answer
    x = 463,509.97

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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.