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Finding the Fourth Proportional to 513,593.40, 770,166.93 and 243,798.86

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Solution

The fourth proportional to 513,593.40, 770,166.93 and 243,798.86 is: 365,592.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,593.40 : 770,166.93 = 243,798.86 : x
  2. Step 2: Convert to fraction form
    513,593.40/770,166.93 = 243,798.86/x
  3. Step 3: Cross multiply
    513,593.40x = 770,166.93 × 243,798.86
  4. Step 4: Simplify right side
    513,593.40x = 187,765,819,543.70
  5. Step 5: Solve for x
    x = 187,765,819,543.70/513,593.40
  6. Step 6: Final answer
    x = 365,592.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.