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Finding the Fourth Proportional to 364,813.60, 547,143.60 and 154,458.40

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Solution

The fourth proportional to 364,813.60, 547,143.60 and 154,458.40 is: 231,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,813.60 : 547,143.60 = 154,458.40 : x
  2. Step 2: Convert to fraction form
    364,813.60/547,143.60 = 154,458.40/x
  3. Step 3: Cross multiply
    364,813.60x = 547,143.60 × 154,458.40
  4. Step 4: Simplify right side
    364,813.60x = 84,510,925,026.24
  5. Step 5: Solve for x
    x = 84,510,925,026.24/364,813.60
  6. Step 6: Final answer
    x = 231,655.08

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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.