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Finding the Fourth Proportional to 436,203.99, 601,915.59 and 242,580.33

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Solution

The fourth proportional to 436,203.99, 601,915.59 and 242,580.33 is: 334,735.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,203.99 : 601,915.59 = 242,580.33 : x
  2. Step 2: Convert to fraction form
    436,203.99/601,915.59 = 242,580.33/x
  3. Step 3: Cross multiply
    436,203.99x = 601,915.59 × 242,580.33
  4. Step 4: Simplify right side
    436,203.99x = 146,012,882,454.35
  5. Step 5: Solve for x
    x = 146,012,882,454.35/436,203.99
  6. Step 6: Final answer
    x = 334,735.32

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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.