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Finding the Fourth Proportional to 501,962.64, 753,056.28 and 169,530

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Solution

The fourth proportional to 501,962.64, 753,056.28 and 169,530 is: 254,332.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,962.64 : 753,056.28 = 169,530 : x
  2. Step 2: Convert to fraction form
    501,962.64/753,056.28 = 169,530/x
  3. Step 3: Cross multiply
    501,962.64x = 753,056.28 × 169,530
  4. Step 4: Simplify right side
    501,962.64x = 127,665,631,148.40
  5. Step 5: Solve for x
    x = 127,665,631,148.40/501,962.64
  6. Step 6: Final answer
    x = 254,332.93

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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.