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Finding the Fourth Proportional to 360,037.34, 540,132.56 and 123,316.46

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Solution

The fourth proportional to 360,037.34, 540,132.56 and 123,316.46 is: 185,000.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,037.34 : 540,132.56 = 123,316.46 : x
  2. Step 2: Convert to fraction form
    360,037.34/540,132.56 = 123,316.46/x
  3. Step 3: Cross multiply
    360,037.34x = 540,132.56 × 123,316.46
  4. Step 4: Simplify right side
    360,037.34x = 66,607,234,613.36
  5. Step 5: Solve for x
    x = 66,607,234,613.36/360,037.34
  6. Step 6: Final answer
    x = 185,000.91

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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.