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Finding the Fourth Proportional to 352,334.98, 486,018.93 and 224,866.90

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Solution

The fourth proportional to 352,334.98, 486,018.93 and 224,866.90 is: 310,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,334.98 : 486,018.93 = 224,866.90 : x
  2. Step 2: Convert to fraction form
    352,334.98/486,018.93 = 224,866.90/x
  3. Step 3: Cross multiply
    352,334.98x = 486,018.93 × 224,866.90
  4. Step 4: Simplify right side
    352,334.98x = 109,289,570,130.42
  5. Step 5: Solve for x
    x = 109,289,570,130.42/352,334.98
  6. Step 6: Final answer
    x = 310,186.55

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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.