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Finding the Fourth Proportional to 668,792.48, 1,003,085.04 and 195,350.72

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Solution

The fourth proportional to 668,792.48, 1,003,085.04 and 195,350.72 is: 292,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,792.48 : 1,003,085.04 = 195,350.72 : x
  2. Step 2: Convert to fraction form
    668,792.48/1,003,085.04 = 195,350.72/x
  3. Step 3: Cross multiply
    668,792.48x = 1,003,085.04 × 195,350.72
  4. Step 4: Simplify right side
    668,792.48x = 195,953,384,785.23
  5. Step 5: Solve for x
    x = 195,953,384,785.23/668,792.48
  6. Step 6: Final answer
    x = 292,995.80

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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.