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Finding the Fourth Proportional to 303,056.76, 454,424.94 and 134,503.80

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Solution

The fourth proportional to 303,056.76, 454,424.94 and 134,503.80 is: 201,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,056.76 : 454,424.94 = 134,503.80 : x
  2. Step 2: Convert to fraction form
    303,056.76/454,424.94 = 134,503.80/x
  3. Step 3: Cross multiply
    303,056.76x = 454,424.94 × 134,503.80
  4. Step 4: Simplify right side
    303,056.76x = 61,121,881,244.77
  5. Step 5: Solve for x
    x = 61,121,881,244.77/303,056.76
  6. Step 6: Final answer
    x = 201,684.60

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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.