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Finding the Fourth Proportional to 357,999.36, 536,663.70 and 121,176.24

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Solution

The fourth proportional to 357,999.36, 536,663.70 and 121,176.24 is: 181,650.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,999.36 : 536,663.70 = 121,176.24 : x
  2. Step 2: Convert to fraction form
    357,999.36/536,663.70 = 121,176.24/x
  3. Step 3: Cross multiply
    357,999.36x = 536,663.70 × 121,176.24
  4. Step 4: Simplify right side
    357,999.36x = 65,030,889,310.49
  5. Step 5: Solve for x
    x = 65,030,889,310.49/357,999.36
  6. Step 6: Final answer
    x = 181,650.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.