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Finding the Fourth Proportional to 368,376.92, 508,389.66 and 207,222.36

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Solution

The fourth proportional to 368,376.92, 508,389.66 and 207,222.36 is: 285,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,376.92 : 508,389.66 = 207,222.36 : x
  2. Step 2: Convert to fraction form
    368,376.92/508,389.66 = 207,222.36/x
  3. Step 3: Cross multiply
    368,376.92x = 508,389.66 × 207,222.36
  4. Step 4: Simplify right side
    368,376.92x = 105,349,705,144.80
  5. Step 5: Solve for x
    x = 105,349,705,144.80/368,376.92
  6. Step 6: Final answer
    x = 285,983.46

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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.