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Finding the Fourth Proportional to 573,738.55, 791,754.82 and 315,609.94

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Solution

The fourth proportional to 573,738.55, 791,754.82 and 315,609.94 is: 435,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,738.55 : 791,754.82 = 315,609.94 : x
  2. Step 2: Convert to fraction form
    573,738.55/791,754.82 = 315,609.94/x
  3. Step 3: Cross multiply
    573,738.55x = 791,754.82 × 315,609.94
  4. Step 4: Simplify right side
    573,738.55x = 249,885,689,656.86
  5. Step 5: Solve for x
    x = 249,885,689,656.86/573,738.55
  6. Step 6: Final answer
    x = 435,539.31

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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.