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Finding the Fourth Proportional to 369,809.47, 510,399.73 and 214,736.73

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Solution

The fourth proportional to 369,809.47, 510,399.73 and 214,736.73 is: 296,373.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,809.47 : 510,399.73 = 214,736.73 : x
  2. Step 2: Convert to fraction form
    369,809.47/510,399.73 = 214,736.73/x
  3. Step 3: Cross multiply
    369,809.47x = 510,399.73 × 214,736.73
  4. Step 4: Simplify right side
    369,809.47x = 109,601,569,013.08
  5. Step 5: Solve for x
    x = 109,601,569,013.08/369,809.47
  6. Step 6: Final answer
    x = 296,373.07

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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.