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Finding the Fourth Proportional to 284,967.04, 427,548.80 and 127,304.32

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Solution

The fourth proportional to 284,967.04, 427,548.80 and 127,304.32 is: 191,000.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,967.04 : 427,548.80 = 127,304.32 : x
  2. Step 2: Convert to fraction form
    284,967.04/427,548.80 = 127,304.32/x
  3. Step 3: Cross multiply
    284,967.04x = 427,548.80 × 127,304.32
  4. Step 4: Simplify right side
    284,967.04x = 54,428,809,250.82
  5. Step 5: Solve for x
    x = 54,428,809,250.82/284,967.04
  6. Step 6: Final answer
    x = 191,000.37

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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.