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Finding the Fourth Proportional to 651,158.76, 976,770.54 and 202,185.48

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Solution

The fourth proportional to 651,158.76, 976,770.54 and 202,185.48 is: 303,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,158.76 : 976,770.54 = 202,185.48 : x
  2. Step 2: Convert to fraction form
    651,158.76/976,770.54 = 202,185.48/x
  3. Step 3: Cross multiply
    651,158.76x = 976,770.54 × 202,185.48
  4. Step 4: Simplify right side
    651,158.76x = 197,488,820,479.76
  5. Step 5: Solve for x
    x = 197,488,820,479.76/651,158.76
  6. Step 6: Final answer
    x = 303,288.28

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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.