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Finding the Fourth Proportional to 415,592.40, 623,388.60 and 363,104.40

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Solution

The fourth proportional to 415,592.40, 623,388.60 and 363,104.40 is: 544,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,592.40 : 623,388.60 = 363,104.40 : x
  2. Step 2: Convert to fraction form
    415,592.40/623,388.60 = 363,104.40/x
  3. Step 3: Cross multiply
    415,592.40x = 623,388.60 × 363,104.40
  4. Step 4: Simplify right side
    415,592.40x = 226,355,143,569.84
  5. Step 5: Solve for x
    x = 226,355,143,569.84/415,592.40
  6. Step 6: Final answer
    x = 544,656.60

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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.