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Finding the Fourth Proportional to 534,818.40, 802,227.60 and 415,845.60

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Solution

The fourth proportional to 534,818.40, 802,227.60 and 415,845.60 is: 623,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,818.40 : 802,227.60 = 415,845.60 : x
  2. Step 2: Convert to fraction form
    534,818.40/802,227.60 = 415,845.60/x
  3. Step 3: Cross multiply
    534,818.40x = 802,227.60 × 415,845.60
  4. Step 4: Simplify right side
    534,818.40x = 333,602,817,658.56
  5. Step 5: Solve for x
    x = 333,602,817,658.56/534,818.40
  6. Step 6: Final answer
    x = 623,768.40

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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.