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Finding the Fourth Proportional to 357,033.98, 535,177.28 and 120,294.86

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Solution

The fourth proportional to 357,033.98, 535,177.28 and 120,294.86 is: 180,316.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,033.98 : 535,177.28 = 120,294.86 : x
  2. Step 2: Convert to fraction form
    357,033.98/535,177.28 = 120,294.86/x
  3. Step 3: Cross multiply
    357,033.98x = 535,177.28 × 120,294.86
  4. Step 4: Simplify right side
    357,033.98x = 64,379,073,597.63
  5. Step 5: Solve for x
    x = 64,379,073,597.63/357,033.98
  6. Step 6: Final answer
    x = 180,316.38

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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.