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Finding the Fourth Proportional to 675,543.45, 931,178.02 and 532,076.25

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Solution

The fourth proportional to 675,543.45, 931,178.02 and 532,076.25 is: 733,420.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,543.45 : 931,178.02 = 532,076.25 : x
  2. Step 2: Convert to fraction form
    675,543.45/931,178.02 = 532,076.25/x
  3. Step 3: Cross multiply
    675,543.45x = 931,178.02 × 532,076.25
  4. Step 4: Simplify right side
    675,543.45x = 495,457,708,964.03
  5. Step 5: Solve for x
    x = 495,457,708,964.03/675,543.45
  6. Step 6: Final answer
    x = 733,420.94

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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.