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Finding the Fourth Proportional to 552,804.81, 829,211.85 and 153,476.72

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Solution

The fourth proportional to 552,804.81, 829,211.85 and 153,476.72 is: 230,216.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,804.81 : 829,211.85 = 153,476.72 : x
  2. Step 2: Convert to fraction form
    552,804.81/829,211.85 = 153,476.72/x
  3. Step 3: Cross multiply
    552,804.81x = 829,211.85 × 153,476.72
  4. Step 4: Simplify right side
    552,804.81x = 127,264,714,923.13
  5. Step 5: Solve for x
    x = 127,264,714,923.13/552,804.81
  6. Step 6: Final answer
    x = 230,216.37

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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.