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Finding the Fourth Proportional to 303,483.20, 455,500.20 and 153,827.60

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Solution

The fourth proportional to 303,483.20, 455,500.20 and 153,827.60 is: 230,880.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,483.20 : 455,500.20 = 153,827.60 : x
  2. Step 2: Convert to fraction form
    303,483.20/455,500.20 = 153,827.60/x
  3. Step 3: Cross multiply
    303,483.20x = 455,500.20 × 153,827.60
  4. Step 4: Simplify right side
    303,483.20x = 70,068,502,565.52
  5. Step 5: Solve for x
    x = 70,068,502,565.52/303,483.20
  6. Step 6: Final answer
    x = 230,880.99

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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.