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Finding the Fourth Proportional to 593,280.80, 890,212.80 and 277,683.20

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Solution

The fourth proportional to 593,280.80, 890,212.80 and 277,683.20 is: 416,661.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,280.80 : 890,212.80 = 277,683.20 : x
  2. Step 2: Convert to fraction form
    593,280.80/890,212.80 = 277,683.20/x
  3. Step 3: Cross multiply
    593,280.80x = 890,212.80 × 277,683.20
  4. Step 4: Simplify right side
    593,280.80x = 247,197,138,984.96
  5. Step 5: Solve for x
    x = 247,197,138,984.96/593,280.80
  6. Step 6: Final answer
    x = 416,661.28

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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.