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Finding the Fourth Proportional to 364,125.20, 546,187.80 and 154,000.40

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Solution

The fourth proportional to 364,125.20, 546,187.80 and 154,000.40 is: 231,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,125.20 : 546,187.80 = 154,000.40 : x
  2. Step 2: Convert to fraction form
    364,125.20/546,187.80 = 154,000.40/x
  3. Step 3: Cross multiply
    364,125.20x = 546,187.80 × 154,000.40
  4. Step 4: Simplify right side
    364,125.20x = 84,113,139,675.12
  5. Step 5: Solve for x
    x = 84,113,139,675.12/364,125.20
  6. Step 6: Final answer
    x = 231,000.60

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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.