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Finding the Fourth Proportional to 411,468.40, 616,036.20 and 364,812.40

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Solution

The fourth proportional to 411,468.40, 616,036.20 and 364,812.40 is: 546,184.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,468.40 : 616,036.20 = 364,812.40 : x
  2. Step 2: Convert to fraction form
    411,468.40/616,036.20 = 364,812.40/x
  3. Step 3: Cross multiply
    411,468.40x = 616,036.20 × 364,812.40
  4. Step 4: Simplify right side
    411,468.40x = 224,737,644,608.88
  5. Step 5: Solve for x
    x = 224,737,644,608.88/411,468.40
  6. Step 6: Final answer
    x = 546,184.46

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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.