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Finding the Fourth Proportional to 364,811.60, 547,140.60 and 154,456.40

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Solution

The fourth proportional to 364,811.60, 547,140.60 and 154,456.40 is: 231,652.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,811.60 : 547,140.60 = 154,456.40 : x
  2. Step 2: Convert to fraction form
    364,811.60/547,140.60 = 154,456.40/x
  3. Step 3: Cross multiply
    364,811.60x = 547,140.60 × 154,456.40
  4. Step 4: Simplify right side
    364,811.60x = 84,509,367,369.84
  5. Step 5: Solve for x
    x = 84,509,367,369.84/364,811.60
  6. Step 6: Final answer
    x = 231,652.08

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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.