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Finding the Fourth Proportional to 605,232.40, 907,848.60 and 406,166.80

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Solution

The fourth proportional to 605,232.40, 907,848.60 and 406,166.80 is: 609,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,232.40 : 907,848.60 = 406,166.80 : x
  2. Step 2: Convert to fraction form
    605,232.40/907,848.60 = 406,166.80/x
  3. Step 3: Cross multiply
    605,232.40x = 907,848.60 × 406,166.80
  4. Step 4: Simplify right side
    605,232.40x = 368,737,960,746.48
  5. Step 5: Solve for x
    x = 368,737,960,746.48/605,232.40
  6. Step 6: Final answer
    x = 609,250.20

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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.