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Finding the Fourth Proportional to 352,372.76, 528,560.35 and 103,054.76

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Solution

The fourth proportional to 352,372.76, 528,560.35 and 103,054.76 is: 154,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,372.76 : 528,560.35 = 103,054.76 : x
  2. Step 2: Convert to fraction form
    352,372.76/528,560.35 = 103,054.76/x
  3. Step 3: Cross multiply
    352,372.76x = 528,560.35 × 103,054.76
  4. Step 4: Simplify right side
    352,372.76x = 54,470,660,014.77
  5. Step 5: Solve for x
    x = 54,470,660,014.77/352,372.76
  6. Step 6: Final answer
    x = 154,582.49

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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.