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Finding the Fourth Proportional to 364,836.80, 546,218.40 and 323,364.80

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Solution

The fourth proportional to 364,836.80, 546,218.40 and 323,364.80 is: 484,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,836.80 : 546,218.40 = 323,364.80 : x
  2. Step 2: Convert to fraction form
    364,836.80/546,218.40 = 323,364.80/x
  3. Step 3: Cross multiply
    364,836.80x = 546,218.40 × 323,364.80
  4. Step 4: Simplify right side
    364,836.80x = 176,627,803,672.32
  5. Step 5: Solve for x
    x = 176,627,803,672.32/364,836.80
  6. Step 6: Final answer
    x = 484,128.26

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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.