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Finding the Fourth Proportional to 545,459.38, 817,627.67 and 241,996.45

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Solution

The fourth proportional to 545,459.38, 817,627.67 and 241,996.45 is: 362,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,459.38 : 817,627.67 = 241,996.45 : x
  2. Step 2: Convert to fraction form
    545,459.38/817,627.67 = 241,996.45/x
  3. Step 3: Cross multiply
    545,459.38x = 817,627.67 × 241,996.45
  4. Step 4: Simplify right side
    545,459.38x = 197,862,988,788.43
  5. Step 5: Solve for x
    x = 197,862,988,788.43/545,459.38
  6. Step 6: Final answer
    x = 362,745.60

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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.