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Finding the Fourth Proportional to 545,477.96, 817,836.55 and 241,706.90

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Solution

The fourth proportional to 545,477.96, 817,836.55 and 241,706.90 is: 362,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,477.96 : 817,836.55 = 241,706.90 : x
  2. Step 2: Convert to fraction form
    545,477.96/817,836.55 = 241,706.90/x
  3. Step 3: Cross multiply
    545,477.96x = 817,836.55 × 241,706.90
  4. Step 4: Simplify right side
    545,477.96x = 197,676,738,647.52
  5. Step 5: Solve for x
    x = 197,676,738,647.52/545,477.96
  6. Step 6: Final answer
    x = 362,391.80

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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.