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Finding the Fourth Proportional to 577,999.60, 867,064.20 and 178,637.20

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Solution

The fourth proportional to 577,999.60, 867,064.20 and 178,637.20 is: 267,975.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,999.60 : 867,064.20 = 178,637.20 : x
  2. Step 2: Convert to fraction form
    577,999.60/867,064.20 = 178,637.20/x
  3. Step 3: Cross multiply
    577,999.60x = 867,064.20 × 178,637.20
  4. Step 4: Simplify right side
    577,999.60x = 154,889,920,908.24
  5. Step 5: Solve for x
    x = 154,889,920,908.24/577,999.60
  6. Step 6: Final answer
    x = 267,975.83

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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.