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Finding the Fourth Proportional to 526,736.76, 726,902.02 and 285,024.06

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Solution

The fourth proportional to 526,736.76, 726,902.02 and 285,024.06 is: 393,336.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,736.76 : 726,902.02 = 285,024.06 : x
  2. Step 2: Convert to fraction form
    526,736.76/726,902.02 = 285,024.06/x
  3. Step 3: Cross multiply
    526,736.76x = 726,902.02 × 285,024.06
  4. Step 4: Simplify right side
    526,736.76x = 207,184,564,962.60
  5. Step 5: Solve for x
    x = 207,184,564,962.60/526,736.76
  6. Step 6: Final answer
    x = 393,336.07

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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.