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Finding the Fourth Proportional to 941,644.60, 1,412,466.90 and 838,425.40

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Solution

The fourth proportional to 941,644.60, 1,412,466.90 and 838,425.40 is: 1,257,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,644.60 : 1,412,466.90 = 838,425.40 : x
  2. Step 2: Convert to fraction form
    941,644.60/1,412,466.90 = 838,425.40/x
  3. Step 3: Cross multiply
    941,644.60x = 1,412,466.90 × 838,425.40
  4. Step 4: Simplify right side
    941,644.60x = 1,184,248,125,619.26
  5. Step 5: Solve for x
    x = 1,184,248,125,619.26/941,644.60
  6. Step 6: Final answer
    x = 1,257,638.10

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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.