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Finding the Fourth Proportional to 368,377.76, 508,356.24 and 207,232.76

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Solution

The fourth proportional to 368,377.76, 508,356.24 and 207,232.76 is: 285,978.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,377.76 : 508,356.24 = 207,232.76 : x
  2. Step 2: Convert to fraction form
    368,377.76/508,356.24 = 207,232.76/x
  3. Step 3: Cross multiply
    368,377.76x = 508,356.24 × 207,232.76
  4. Step 4: Simplify right side
    368,377.76x = 105,348,066,678.42
  5. Step 5: Solve for x
    x = 105,348,066,678.42/368,377.76
  6. Step 6: Final answer
    x = 285,978.36

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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.