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Finding the Fourth Proportional to 303,463.08, 455,181.66 and 103,801.32

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Solution

The fourth proportional to 303,463.08, 455,181.66 and 103,801.32 is: 155,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,463.08 : 455,181.66 = 103,801.32 : x
  2. Step 2: Convert to fraction form
    303,463.08/455,181.66 = 103,801.32/x
  3. Step 3: Cross multiply
    303,463.08x = 455,181.66 × 103,801.32
  4. Step 4: Simplify right side
    303,463.08x = 47,248,457,147.79
  5. Step 5: Solve for x
    x = 47,248,457,147.79/303,463.08
  6. Step 6: Final answer
    x = 155,697.55

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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.