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Finding the Fourth Proportional to 335,465.80, 503,781.90 and 178,001.80

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Solution

The fourth proportional to 335,465.80, 503,781.90 and 178,001.80 is: 267,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,465.80 : 503,781.90 = 178,001.80 : x
  2. Step 2: Convert to fraction form
    335,465.80/503,781.90 = 178,001.80/x
  3. Step 3: Cross multiply
    335,465.80x = 503,781.90 × 178,001.80
  4. Step 4: Simplify right side
    335,465.80x = 89,674,085,007.42
  5. Step 5: Solve for x
    x = 89,674,085,007.42/335,465.80
  6. Step 6: Final answer
    x = 267,312.15

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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.