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Finding the Fourth Proportional to 605,579.70, 907,276.05 and 352,653.15

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Solution

The fourth proportional to 605,579.70, 907,276.05 and 352,653.15 is: 528,342.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,579.70 : 907,276.05 = 352,653.15 : x
  2. Step 2: Convert to fraction form
    605,579.70/907,276.05 = 352,653.15/x
  3. Step 3: Cross multiply
    605,579.70x = 907,276.05 × 352,653.15
  4. Step 4: Simplify right side
    605,579.70x = 319,953,756,952.06
  5. Step 5: Solve for x
    x = 319,953,756,952.06/605,579.70
  6. Step 6: Final answer
    x = 528,342.94

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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.