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Finding the Fourth Proportional to 588,561.55, 812,161.97 and 343,567.57

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Solution

The fourth proportional to 588,561.55, 812,161.97 and 343,567.57 is: 474,092.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,561.55 : 812,161.97 = 343,567.57 : x
  2. Step 2: Convert to fraction form
    588,561.55/812,161.97 = 343,567.57/x
  3. Step 3: Cross multiply
    588,561.55x = 812,161.97 × 343,567.57
  4. Step 4: Simplify right side
    588,561.55x = 279,032,513,307.83
  5. Step 5: Solve for x
    x = 279,032,513,307.83/588,561.55
  6. Step 6: Final answer
    x = 474,092.33

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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.