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Finding the Fourth Proportional to 303,445.80, 455,168.70 and 93,056.40

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Solution

The fourth proportional to 303,445.80, 455,168.70 and 93,056.40 is: 139,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,445.80 : 455,168.70 = 93,056.40 : x
  2. Step 2: Convert to fraction form
    303,445.80/455,168.70 = 93,056.40/x
  3. Step 3: Cross multiply
    303,445.80x = 455,168.70 × 93,056.40
  4. Step 4: Simplify right side
    303,445.80x = 42,356,360,614.68
  5. Step 5: Solve for x
    x = 42,356,360,614.68/303,445.80
  6. Step 6: Final answer
    x = 139,584.60

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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.