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Finding the Fourth Proportional to 503,149.64, 754,570.82 and 143,349.86

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Solution

The fourth proportional to 503,149.64, 754,570.82 and 143,349.86 is: 214,981.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,149.64 : 754,570.82 = 143,349.86 : x
  2. Step 2: Convert to fraction form
    503,149.64/754,570.82 = 143,349.86/x
  3. Step 3: Cross multiply
    503,149.64x = 754,570.82 × 143,349.86
  4. Step 4: Simplify right side
    503,149.64x = 108,167,621,407.09
  5. Step 5: Solve for x
    x = 108,167,621,407.09/503,149.64
  6. Step 6: Final answer
    x = 214,981.02

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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.