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Finding the Fourth Proportional to 474,622.02, 711,820.82 and 174,939.84

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Solution

The fourth proportional to 474,622.02, 711,820.82 and 174,939.84 is: 262,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,622.02 : 711,820.82 = 174,939.84 : x
  2. Step 2: Convert to fraction form
    474,622.02/711,820.82 = 174,939.84/x
  3. Step 3: Cross multiply
    474,622.02x = 711,820.82 × 174,939.84
  4. Step 4: Simplify right side
    474,622.02x = 124,525,820,359.47
  5. Step 5: Solve for x
    x = 124,525,820,359.47/474,622.02
  6. Step 6: Final answer
    x = 262,368.40

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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.