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Finding the Fourth Proportional to 434,381.28, 651,572.46 and 118,840.92

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Solution

The fourth proportional to 434,381.28, 651,572.46 and 118,840.92 is: 178,261.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,381.28 : 651,572.46 = 118,840.92 : x
  2. Step 2: Convert to fraction form
    434,381.28/651,572.46 = 118,840.92/x
  3. Step 3: Cross multiply
    434,381.28x = 651,572.46 × 118,840.92
  4. Step 4: Simplify right side
    434,381.28x = 77,433,470,593.06
  5. Step 5: Solve for x
    x = 77,433,470,593.06/434,381.28
  6. Step 6: Final answer
    x = 178,261.53

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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.