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Finding the Fourth Proportional to 369,285.89, 509,529.99 and 233,156.07

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Solution

The fourth proportional to 369,285.89, 509,529.99 and 233,156.07 is: 321,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,285.89 : 509,529.99 = 233,156.07 : x
  2. Step 2: Convert to fraction form
    369,285.89/509,529.99 = 233,156.07/x
  3. Step 3: Cross multiply
    369,285.89x = 509,529.99 × 233,156.07
  4. Step 4: Simplify right side
    369,285.89x = 118,800,010,889.88
  5. Step 5: Solve for x
    x = 118,800,010,889.88/369,285.89
  6. Step 6: Final answer
    x = 321,702.01

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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.