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Finding the Fourth Proportional to 364,043.60, 546,065.40 and 331,384.40

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Solution

The fourth proportional to 364,043.60, 546,065.40 and 331,384.40 is: 497,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,043.60 : 546,065.40 = 331,384.40 : x
  2. Step 2: Convert to fraction form
    364,043.60/546,065.40 = 331,384.40/x
  3. Step 3: Cross multiply
    364,043.60x = 546,065.40 × 331,384.40
  4. Step 4: Simplify right side
    364,043.60x = 180,957,554,939.76
  5. Step 5: Solve for x
    x = 180,957,554,939.76/364,043.60
  6. Step 6: Final answer
    x = 497,076.60

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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.