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Finding the Fourth Proportional to 605,103.60, 907,655.40 and 522,159.60

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Solution

The fourth proportional to 605,103.60, 907,655.40 and 522,159.60 is: 783,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,103.60 : 907,655.40 = 522,159.60 : x
  2. Step 2: Convert to fraction form
    605,103.60/907,655.40 = 522,159.60/x
  3. Step 3: Cross multiply
    605,103.60x = 907,655.40 × 522,159.60
  4. Step 4: Simplify right side
    605,103.60x = 473,940,980,601.84
  5. Step 5: Solve for x
    x = 473,940,980,601.84/605,103.60
  6. Step 6: Final answer
    x = 783,239.40

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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.