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Finding the Fourth Proportional to 407,552.64, 610,533.64 and 266,884.80

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Solution

The fourth proportional to 407,552.64, 610,533.64 and 266,884.80 is: 399,806.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,552.64 : 610,533.64 = 266,884.80 : x
  2. Step 2: Convert to fraction form
    407,552.64/610,533.64 = 266,884.80/x
  3. Step 3: Cross multiply
    407,552.64x = 610,533.64 × 266,884.80
  4. Step 4: Simplify right side
    407,552.64x = 162,942,148,404.67
  5. Step 5: Solve for x
    x = 162,942,148,404.67/407,552.64
  6. Step 6: Final answer
    x = 399,806.39

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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.