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Finding the Fourth Proportional to 575,324.16, 862,985.48 and 154,600.06

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Solution

The fourth proportional to 575,324.16, 862,985.48 and 154,600.06 is: 231,899.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,324.16 : 862,985.48 = 154,600.06 : x
  2. Step 2: Convert to fraction form
    575,324.16/862,985.48 = 154,600.06/x
  3. Step 3: Cross multiply
    575,324.16x = 862,985.48 × 154,600.06
  4. Step 4: Simplify right side
    575,324.16x = 133,417,606,987.13
  5. Step 5: Solve for x
    x = 133,417,606,987.13/575,324.16
  6. Step 6: Final answer
    x = 231,899.89

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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.