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Finding the Fourth Proportional to 552,728.03, 828,999.29 and 153,409.37

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Solution

The fourth proportional to 552,728.03, 828,999.29 and 153,409.37 is: 230,088.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,728.03 : 828,999.29 = 153,409.37 : x
  2. Step 2: Convert to fraction form
    552,728.03/828,999.29 = 153,409.37/x
  3. Step 3: Cross multiply
    552,728.03x = 828,999.29 × 153,409.37
  4. Step 4: Simplify right side
    552,728.03x = 127,176,255,047.87
  5. Step 5: Solve for x
    x = 127,176,255,047.87/552,728.03
  6. Step 6: Final answer
    x = 230,088.31

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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.