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Finding the Fourth Proportional to 545,693.42, 753,369.05 and 362,180.85

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Solution

The fourth proportional to 545,693.42, 753,369.05 and 362,180.85 is: 500,016.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,693.42 : 753,369.05 = 362,180.85 : x
  2. Step 2: Convert to fraction form
    545,693.42/753,369.05 = 362,180.85/x
  3. Step 3: Cross multiply
    545,693.42x = 753,369.05 × 362,180.85
  4. Step 4: Simplify right side
    545,693.42x = 272,855,842,120.29
  5. Step 5: Solve for x
    x = 272,855,842,120.29/545,693.42
  6. Step 6: Final answer
    x = 500,016.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.