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Finding the Fourth Proportional to 292,023.70, 402,991.93 and 162,960.81

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Solution

The fourth proportional to 292,023.70, 402,991.93 and 162,960.81 is: 224,885.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,023.70 : 402,991.93 = 162,960.81 : x
  2. Step 2: Convert to fraction form
    292,023.70/402,991.93 = 162,960.81/x
  3. Step 3: Cross multiply
    292,023.70x = 402,991.93 × 162,960.81
  4. Step 4: Simplify right side
    292,023.70x = 65,671,891,378.92
  5. Step 5: Solve for x
    x = 65,671,891,378.92/292,023.70
  6. Step 6: Final answer
    x = 224,885.49

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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.