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Finding the Fourth Proportional to 605,250.60, 907,875.90 and 369,054.60

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Solution

The fourth proportional to 605,250.60, 907,875.90 and 369,054.60 is: 553,581.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,250.60 : 907,875.90 = 369,054.60 : x
  2. Step 2: Convert to fraction form
    605,250.60/907,875.90 = 369,054.60/x
  3. Step 3: Cross multiply
    605,250.60x = 907,875.90 × 369,054.60
  4. Step 4: Simplify right side
    605,250.60x = 335,055,777,124.14
  5. Step 5: Solve for x
    x = 335,055,777,124.14/605,250.60
  6. Step 6: Final answer
    x = 553,581.90

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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.