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Finding the Fourth Proportional to 430,329.31, 593,520.82 and 277,392.40

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Solution

The fourth proportional to 430,329.31, 593,520.82 and 277,392.40 is: 382,586.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,329.31 : 593,520.82 = 277,392.40 : x
  2. Step 2: Convert to fraction form
    430,329.31/593,520.82 = 277,392.40/x
  3. Step 3: Cross multiply
    430,329.31x = 593,520.82 × 277,392.40
  4. Step 4: Simplify right side
    430,329.31x = 164,638,162,532.49
  5. Step 5: Solve for x
    x = 164,638,162,532.49/430,329.31
  6. Step 6: Final answer
    x = 382,586.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.