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Finding the Fourth Proportional to 593,971.60, 889,747.80 and 368,640.40

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Solution

The fourth proportional to 593,971.60, 889,747.80 and 368,640.40 is: 552,209.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,971.60 : 889,747.80 = 368,640.40 : x
  2. Step 2: Convert to fraction form
    593,971.60/889,747.80 = 368,640.40/x
  3. Step 3: Cross multiply
    593,971.60x = 889,747.80 × 368,640.40
  4. Step 4: Simplify right side
    593,971.60x = 327,996,984,891.12
  5. Step 5: Solve for x
    x = 327,996,984,891.12/593,971.60
  6. Step 6: Final answer
    x = 552,209.88

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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.