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Finding the Fourth Proportional to 607,626.40, 910,228.38 and 367,612.60

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Solution

The fourth proportional to 607,626.40, 910,228.38 and 367,612.60 is: 550,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,626.40 : 910,228.38 = 367,612.60 : x
  2. Step 2: Convert to fraction form
    607,626.40/910,228.38 = 367,612.60/x
  3. Step 3: Cross multiply
    607,626.40x = 910,228.38 × 367,612.60
  4. Step 4: Simplify right side
    607,626.40x = 334,611,421,365.59
  5. Step 5: Solve for x
    x = 334,611,421,365.59/607,626.40
  6. Step 6: Final answer
    x = 550,686.11

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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.