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Finding the Fourth Proportional to 593,312.80, 890,260.80 and 277,715.20

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Solution

The fourth proportional to 593,312.80, 890,260.80 and 277,715.20 is: 416,709.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,312.80 : 890,260.80 = 277,715.20 : x
  2. Step 2: Convert to fraction form
    593,312.80/890,260.80 = 277,715.20/x
  3. Step 3: Cross multiply
    593,312.80x = 890,260.80 × 277,715.20
  4. Step 4: Simplify right side
    593,312.80x = 247,238,956,124.16
  5. Step 5: Solve for x
    x = 247,238,956,124.16/593,312.80
  6. Step 6: Final answer
    x = 416,709.29

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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.