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Finding the Fourth Proportional to 545,461.38, 817,630.67 and 241,998.45

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Solution

The fourth proportional to 545,461.38, 817,630.67 and 241,998.45 is: 362,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,461.38 : 817,630.67 = 241,998.45 : x
  2. Step 2: Convert to fraction form
    545,461.38/817,630.67 = 241,998.45/x
  3. Step 3: Cross multiply
    545,461.38x = 817,630.67 × 241,998.45
  4. Step 4: Simplify right side
    545,461.38x = 197,865,354,812.46
  5. Step 5: Solve for x
    x = 197,865,354,812.46/545,461.38
  6. Step 6: Final answer
    x = 362,748.61

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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.